https://linnmotorcycles.com/blog daily 0.75 2026-01-21 https://linnmotorcycles.com/blog/2026/1/21/miscellanious-photos-of-operations-on-the-engine-cases monthly 0.5 2026-01-21 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/90fe52f7-670c-44f8-8b09-92ac8b735a33/casesJiggedonmil.jpg Blog - Miscellaneous photos of operations on the engine cases - Make it stand out The engine cases are jigged up on an angle block so we can mill the motor mount flat and level. Some weld had been added by previous owner to fill in depressions from the cases wobbling from loose motor mount bolts https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/e8387544-2321-41c5-abb7-e716795adf08/casesonmill4.jpg Blog - Miscellaneous photos of operations on the engine cases - Make it stand out Checking plumb level of rear cylinder deck with milling tool and cigarette paper. Turns out that remarkably having machined by HD in 1938, they are still plumb 87 years later! Only required a little dressing up with a file on a couple of burrs. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/e678bc79-479f-412d-92ce-b6c97d52bfc3/lappingpinionbush.jpg Blog - Miscellaneous photos of operations on the engine cases - Make it stand out Lapping the pinion shaft bearing bush https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/3ab7d88b-8ad8-430e-9491-1e38d220a1b5/checkpinionshaftfit2.jpg Blog - Miscellaneous photos of operations on the engine cases - Make it stand out fitting the pinion shaft for proper bearing size https://linnmotorcycles.com/blog/2026/1/16/prepping-bottom-end-components monthly 0.5 2026-01-20 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/a68cf264-4f8c-4066-a105-437a33915fbe/lapcrankpinpaste1.jpg Blog - Prepping Bottom end components - Make it stand out An old used crankpin with good tapers. Will use to lap in flywheels. Note the step in the crankpin diameter, Flathead and “61” crankpins differ from 74 pins which do not have the stepdown is size. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/b08b63b9-575b-44db-8635-23b62dab712d/flywheelonpin.jpg Blog - Prepping Bottom end components - Make it stand out Pinion side flywheel on crankpin waiting for the cameraman to rock wheel back and forth in a lapping motion, much like a valve is rocked when being seated. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/5bb40aa1-b81d-4144-b78a-4681414a33b3/pinionwheelcrankhole.jpg Blog - Prepping Bottom end components - Make it stand out You can see the gray surface lapping leaves on the flywheel crankpin hole in this pic. You’re hoping to get a good mating surface here for pin and wheel to mate up https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/3e910386-b224-47f9-afc2-7dd5975072aa/sprocketshaftonflywheel.jpg Blog - Prepping Bottom end components - Make it stand out Sprocket shaft having been lapped into flywheel. https://linnmotorcycles.com/blog/2026/1/16/static-balancing-the-flywheel-assembly monthly 0.5 2026-01-20 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/47687caf-556f-4281-9eca-ed02c6278c0c/balancestandlevel2.jpg Blog - Static Balancing the flywheel assembly - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/f615890c-bc26-4e75-91cd-eff0db0b7c96/weighing+bob+weight.jpg Blog - Static Balancing the flywheel assembly - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/8ae27622-aaab-4286-b170-bedcebed2029/weighing+piston.jpg Blog - Static Balancing the flywheel assembly - Make it stand out This piston weighs in at 511 grams, the other piston weighed exactly the same! Good quality control. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/680a6001-15e6-4c44-afbd-539b5ac7c29d/weighingfemalebigend.jpg Blog - Static Balancing the flywheel assembly - Make it stand out Weighing the rod bearing end of the female rod, the rod is suspended so that only the rotating end of he rod’s weight is measured. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/e4d8d3e8-8781-4791-a106-85d3ddc11f4a/weighing+femalewristpinend.jpg Blog - Static Balancing the flywheel assembly - Make it stand out And now, the wrist pin end of the connecting rod being weighed. This will be used as a weight for the reciprocating weight portion of the rod in our calculations https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/8dd41fe6-2fb2-4079-8ee9-c13f998563a4/pinionanbob1.jpg Blog - Static Balancing the flywheel assembly - Make it stand out Here’s the pinion side flywheel on the S&S truing stand. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/7bdea0b0-3cb1-4d1b-915a-83c118b4fee1/drillpinionwheel1.jpg Blog - Static Balancing the flywheel assembly - Make it stand out Adding some supplementary drillings to fine tune the wheel’s balance https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/9b83616b-832d-45e2-91c9-2203a0b737da/sprocketbal1.jpg Blog - Static Balancing the flywheel assembly - Make it stand out Again we added some supplementary to fine tune the flywheel’s balance.. The bob weight we used may look as if some of the pieces came out of somebody’s junk box, and your right, they did. S&S’s kit didn’t come with a fixture to fit the flywheel crankpin taper for Big Twin flatheads. So I cut a piece of bar stock and shrunk a pulley that had about the right weight to it and made my own. This bobweight has been on many sets of flathead flywheels. https://linnmotorcycles.com/blog/2026/1/19/assembling-and-truing-the-38u-flywheels monthly 0.5 2026-01-20 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/eee5a46c-5fc6-4723-9882-b6f24196205a/flywheeljig1.jpg Blog - Assembling and truing the 38U flywheels - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/7c1488dd-a372-4c91-b016-4c915e04f9ee/truingstand1.jpg Blog - Assembling and truing the 38U flywheels - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/f8541daf-b432-4d66-802e-94a1f7b7fdfa/wheelspreader1.jpg Blog - Assembling and truing the 38U flywheels - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/9364395a-36e5-4397-b9cd-a8c0309fc651/spreadingwheels2.jpg Blog - Assembling and truing the 38U flywheels - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://linnmotorcycles.com/blog/2026/1/13/doing-up-the-wristpin-ends-of-the-rods monthly 0.5 2026-01-14 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/4ea73b5e-b737-40b6-bf2f-2ff64ac27d61/wristpinbush1.jpg Blog - Doing up the wristpin ends of the rods - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/4d207a87-0010-4cdd-8a21-c802d0525c86/wristpinbush2.jpg Blog - Doing up the wristpin ends of the rods - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/93fd883f-8e33-4f7e-a3e1-763077439d0b/reamfemalerod.jpg Blog - Doing up the wristpin ends of the rods - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/b0f31316-3bc3-4399-ace5-6ba2fcabe619/reamfemale2.jpg Blog - Doing up the wristpin ends of the rods - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://linnmotorcycles.com/blog/2026/1/8/welcome-back-38u-engine-build monthly 0.5 2026-01-14 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/a1331625-f9c1-4758-974d-1c874bde4440/rodsandracetools1.jpg Blog - 38U engine build Connecting rods edition - Make it stand out Herer are the 2 rods and the two pieces of the install/remove tools. Also shown is the old male rod race and the new race installed. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/07d91f33-f79d-455c-9f8f-ea6f805b2c18/pressingrodraces1a.jpg Blog - 38U engine build Connecting rods edition - Make it stand out Here are the 2 pieces installed in the female rod having just pushed out one of the female races. You press the races outward so that the female half can be braced solidly on plates in the press so that you aren’t trying to squeeze the to female races together when you apply pressure. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/292bc857-ec74-43ea-b498-0d8b13544835/pressingrodraces2.jpg Blog - 38U engine build Connecting rods edition - Make it stand out Here you can see how the female leg is braced solidly on the two plates in the press https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/6999d2aa-7b61-48df-b49f-bed6529ead47/lapmalerod1.jpg Blog - 38U engine build Connecting rods edition - Make it stand out Male rod being lapped to size on the rod lap smeared with220 grit lapping compound. https://linnmotorcycles.com/blog/2026/1/8/new-blog-building-a-38u-flathead-motor monthly 0.5 2026-01-11 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/4537792e-bcf1-4006-8de2-b3e538ecef6f/race_hone5.jpg Blog - New Blog, Building a 38U Flathead Motor - Make it stand out This is a jig I built to resize roller races. The pieces that are the actual jig are the round sleeve with the bolt(handle)welded to it which is an old sprocket bearing bush that I pressed out of the cases earlier. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/804568be-11e6-44eb-9084-814e0b0937de/race_hone4.jpg Blog - New Blog, Building a 38U Flathead Motor - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://linnmotorcycles.com/blog/2023/2/8/rebuilding-a-ul-harley-big-twin-flathead monthly 0.5 2023-02-08 https://linnmotorcycles.com/blog/2022/10/11/a-quick-look-at-kicker-gears monthly 0.5 2022-10-11 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/d3c4f5a7-8d3f-4711-b86e-13e047c7081c/steelside.jpg Blog - A quick look at kicker gears! - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/ac8ecacf-02a1-4b5d-858a-e7025c65da32/copperside.jpg Blog - A quick look at kicker gears! - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/ee9896fe-6b3e-4ebd-a450-7c3846a4e858/edgeviewgear.jpg Blog - A quick look at kicker gears! - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://linnmotorcycles.com/blog/2021/3/3/pandemic-oil-pump-insanity monthly 0.5 2021-03-03 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1614789066964-3563XRYZT0RMJLB27PD5/TestjigRotated.jpg Blog - Pandemic Oil Pump Insanity Here’s a picture of my pump test jig. This is what’s left of a 46UL, my first BTSV. This is about all it’s good for now. The generator is just a “BoB weight, got a big chunk of steel inside to make the rig balance a little better :-) https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1614789318684-UL05S0Q1QOK92MG90S1T/testJig3.jpg Blog - Pandemic Oil Pump Insanity Here’s a front view of the jig. The pump I picked up on Ebay just for testing purposes. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1614789410379-Q0EBRR28RAIY4893A527/Testjig_rear2.jpg Blog - Pandemic Oil Pump Insanity Here’s a rear view, The pump is driven by the number one cam shaft, cam removed. Pressed a 1/4” shaft into a drilled hole in the end of the shaft. Use a piece of gas line for a flexible coupling. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1614789609737-3WG1DIZJ496XPSMA7LFF/Testjig_side3.jpg Blog - Pandemic Oil Pump Insanity Another look, old coffee can for supply, Graduated cylinder to measure output. https://linnmotorcycles.com/blog/2021/2/18/double-header-working-on-harley-fan-generators-this-week monthly 0.5 2021-02-19 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1613696547413-W9BI0O35UQHPKD06SIM8/repaired_spider_invice.jpg Blog - Double header, Working on Harley Fan generators this week. Repaired spider https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1613696897469-QG9SXM8YREZXIJU0U72Z/drill_spider_countersink.jpg Blog - Double header, Working on Harley Fan generators this week. First I temporarily glued the broken lugs in place to keep them located while machining. Then I countersunk and drilled each broken lug so that I could press in 2 roll pins to hold them permanently. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1613697042517-6ATRK4707PJSHB45Z60R/drill_spider1.jpg Blog - Double header, Working on Harley Fan generators this week. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1613697068224-2G5TCAUS5P3ILT82ZYNU/drill_spider2.jpg Blog - Double header, Working on Harley Fan generators this week. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1613697100075-WLVZPSO1P9G8BIZSFZSL/repair_fan_spider3.jpg Blog - Double header, Working on Harley Fan generators this week. Inserting roll pins https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1613697180510-1UGCDUY3SGYX07850LPG/repaired_spider1.jpg Blog - Double header, Working on Harley Fan generators this week. As you can see, you can barely see where the crack was. 2 of the 3 lugs had broken off. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1613697684499-ASWO0XTOCP3A0CESK5LB/Pole_shoes1.jpg Blog - Double header, Working on Harley Fan generators this week. Here are some pole shoes from my collection. Left to right; repop pole shoe from Brand CC generator, stock HD 65A pole shoe, 58R pole shoe, 32E2R pole shoe, 32E pole shoe. As you can see, the 32E2R, 49R, 51R pole shoe is wider where the field coil fits. The faint red lines show the approximate width of a 65A field coil. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1613698992711-K83E68QOZTOBA64MGZUH/pole_shoes_58_51.jpg Blog - Double header, Working on Harley Fan generators this week. See how nicely the 65A field coil fits on the 58R pole shoe. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1613699351735-0ILGVWTKLJQZB9YBMZ33/stripping_field1.jpg Blog - Double header, Working on Harley Fan generators this week. stripping wrapping https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1613699391585-97FGGHNC7RWC30VAYUE3/stripped_field1.jpg Blog - Double header, Working on Harley Fan generators this week. Wrapping stripped https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1613699504699-4BJO0IA98AIIVP3SVXY7/wrapping_field1.jpg Blog - Double header, Working on Harley Fan generators this week. starting to wrap… https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1613699566158-MHA83O7L0I6YA5SNRWOU/wrapped_field1.jpg Blog - Double header, Working on Harley Fan generators this week. Finished https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1613699755328-MMS03DITIG22ALW3XKI3/winding_tape1.jpg Blog - Double header, Working on Harley Fan generators this week. I used a 1/4” drive 3/8” socket to wind the tape on. Being lazy, I grabbed a power tool to do the work for me :-) https://linnmotorcycles.com/blog/2021/2/18/february-18-2021-adding-a-few-details-on-the-42ul-build monthly 0.5 2021-02-19 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1613694956123-IV3QSK6X5A100LGS5YTI/valve_cover_seal1.jpg Blog - February 18, 2021, Adding a few details on the 42UL build: Two garden variety flat washers, with inner hole turned to just fit over valve guide, and one countersunk for “O” ring https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1613695030884-8IEZ1BB59LLQIVTVX02D/valve_cover_seal3.jpg Blog - February 18, 2021, Adding a few details on the 42UL build: First washer in place, minus valve cover to show assembly https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1613695180919-XDSBAT0HH2TORP7RRFNS/valvecoverseal4.jpg Blog - February 18, 2021, Adding a few details on the 42UL build: Here the 2 washers are in place, with the “O” ring sandwiched between. In final assembly of course, they will be inside the valve cover. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1613695285388-YWPWP4TF3X8M77LOVTPM/valve__seal_incover1.jpg Blog - February 18, 2021, Adding a few details on the 42UL build: Here’s the countersunk washer in place in the valve cover, about to be placed on the valve guide. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1613695350848-DA1E314K34YE1AHT7A5C/valve_seal_in_cover2.jpg Blog - February 18, 2021, Adding a few details on the 42UL build: Cover in place, waiting for the second washer. When doing actual final assembly, a high temperature silicon sealant is placed between the countersunk washer and the bottom of the valve cover to seal that joint. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1613695467927-QQIVHDVPJ615KKKJSIB6/valve_cover_withorings1.jpg Blog - February 18, 2021, Adding a few details on the 42UL build: Here’s the valve cover with springs,keepers, etc in place. You can see that “O” rings have been added to seal the covers. What you can’t see is that the upper part of the sliding cover has been internally grooved so that an “O” ring can be fitted between the sliding cover and the upper cover. https://linnmotorcycles.com/blog/2020/12/24/dec24th-42ul-update-catching-up-with-some-pictures monthly 0.5 2020-12-24 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1608814862302-6KFRA5F7S2N7XCGHIDJM/right_wheel_wt_rods.jpg Blog - Dec24th 42UL update, Catching up with some pictures Right wheel with connecting rods and crank pin. Take note of the message to posterity as to how the engine was balanced. Remarkably, Sharpie stands up to hot oil quite well. The row of prick punches were planned spots to drill the wheel for balancing purposes. Only used one slightly, as you can see. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1608815511764-PVGH4DVQ9BBCCQ1E53LQ/Wheels_clamped.jpg Blog - Dec24th 42UL update, Catching up with some pictures Wheels clamped in alignment jig https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1608815574337-9LCG4VDWY0CK2Z6XZSVD/Wheels_clamped_2.jpg Blog - Dec24th 42UL update, Catching up with some pictures Another view of wheels in the jig https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1608815714324-II7KBPFW9QM5L6YX51E2/Wheels_truing_stand1.jpg Blog - Dec24th 42UL update, Catching up with some pictures Flywheel ass’y in genuine surplus WW2 HD truing stand. Bought it from a retiring BSA dealer :-) https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1608816126898-47Q0EMUYUG9PC31PJ6WQ/Honing_cases1.jpg Blog - Dec24th 42UL update, Catching up with some pictures Drive side case busing setup https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1608816232441-APDF02A127EM6ADSU5E4/Honing_cases2.jpg Blog - Dec24th 42UL update, Catching up with some pictures another view https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1608816289403-HWR3E6EYV9CX2MM3VESX/Honing_cases3.jpg Blog - Dec24th 42UL update, Catching up with some pictures Hand power here, don’t want to go too fast https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1608816752931-UYLZ88RJPI6SYRVF4LB4/rich_crack_3.jpg Blog - Dec24th 42UL update, Catching up with some pictures THE CRACK https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1608816799429-V3UHKHFDZNXRS6W75LN0/Rich_crack_1.jpg Blog - Dec24th 42UL update, Catching up with some pictures Another view https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1608816843680-O8516DRJ8YR6INJ6B3RT/rich__crack2.jpg Blog - Dec24th 42UL update, Catching up with some pictures Complete wrap https://linnmotorcycles.com/blog/2020/12/18/dec-18th-updating-oil-pump monthly 0.5 2020-12-28 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1608340490489-0B3ZU6YJT9HTV1B9YGBI/pump_rotor_2.jpg Blog - Dec 18th, Updating oil pump Making the first cut in the rotor https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1608340620738-JWLVGEGTIMFNL2BTEHLK/pump_rotor_finished.jpg Blog - Dec 18th, Updating oil pump Finished cut https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1608340820279-XTBHVPY9F6YF2EAPXJCO/nails_File.jpg Blog - Dec 18th, Updating oil pump Nail with notch filed in it https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1608340882978-9N2WHX58E59UGGABEI9H/Soldered_nails.jpg Blog - Dec 18th, Updating oil pump Two nails soldered together, with their notches overlapping to make a compact cross. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1608340974274-PKQLKDNE7S5IE9Q9AM69/Nails_springs_vanes.jpg Blog - Dec 18th, Updating oil pump finished “spider” with cut down tensioning springs in place https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1608341038403-JT2619QH3A6GC6FU24LN/Rotor_complete.jpg Blog - Dec 18th, Updating oil pump Here’s the finished assembly, just before it’s placed in pump body. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1609170154859-W2OGX1KA6W3J5L9FBJN1/oilpumprotor_installed.jpg Blog - Dec 18th, Updating oil pump Rotor and 4 vanes installed https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1609170209130-U3Z03IO8CTNDJPX8I30V/Oilpump_bypass1.jpg Blog - Dec 18th, Updating oil pump Screw blocking bypass passage to centrifugal bypass valve. https://linnmotorcycles.com/blog/2020/12/17/dec-17-pm-rebuilding-the-42ul monthly 0.5 2020-12-18 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1608248872063-K4DM7HMGU8QH9KEURC48/bobweight_1.jpg Blog - Dec 17 PM, rebuilding the 42UL Bobweight on digital cooking scale https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1608249028584-3G31AS9I2JN3J7NYKUY8/weighingconrod1.jpg Blog - Dec 17 PM, rebuilding the 42UL weighing the female conrod https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1608249331728-N861WBS0JEL8KMM8I243/levelPlate1.jpg Blog - Dec 17 PM, rebuilding the 42UL https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1608249357328-Q32A7U4VCQ3MMPP9M1LI/levelPlate2.jpg Blog - Dec 17 PM, rebuilding the 42UL https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1608249817428-EIG43QWEEC9CEJL9OU9P/drivewheel_bobweight.jpg Blog - Dec 17 PM, rebuilding the 42UL Driveside flywheel, unbalanced with temp. weights added https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1608250187052-CESSUF27DL1TGY98PSCI/flywheel_undrilled1.jpg Blog - Dec 17 PM, rebuilding the 42UL Undrilled flywheel. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1608250367387-4W1RI90CTO8SV8ZJN0TS/flywheel_laidout1.jpg Blog - Dec 17 PM, rebuilding the 42UL holes laidout for drilling to remove weight. 2 holes have already been drilled https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1608250432916-K0SD85IEQ8AEG24NWI7L/flywheels_drilled1.jpg Blog - Dec 17 PM, rebuilding the 42UL finished drilled flywheels. Note similar weight was drilled in each flywheel. https://linnmotorcycles.com/blog/2020/12/17/were-back-in-the-shop-again-we-have-a-new-project monthly 0.5 2020-12-17 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1608217979502-TZ908TGTLVEURT10KBYS/42ULbaffles.jpg Blog - We're Back in the Shop Again! (We have a new project). Front cylinder Baffle, still in place. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1608219153189-0MKW7Y78BBIWAB94UB02/oilpumpgasket_1.jpg Blog - We're Back in the Shop Again! (We have a new project). Observe the slot in the gasket that connects two holes on the right side of the picture. This is to bypass oil from the bigend feed to the timing chest. https://linnmotorcycles.com/blog/2020/7/3/the-47ul-project-bike-update monthly 0.5 2020-07-03 https://linnmotorcycles.com/blog/2020/5/19/may-19th-the-47-is-done monthly 0.5 2020-05-19 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1589930983827-L9WPL7OMLYQ4XJA1G4AH/IMG_20200519_174110.jpg Blog - MAY 19TH, THE 47 IS DONE! https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1589931022379-MKFIS3X4563NKH5HFLU7/IMG_20200519_174121.jpg Blog - MAY 19TH, THE 47 IS DONE! https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1589931070041-3OMYOD9IXF0E2EE0XT6E/IMG_20200519_174139.jpg Blog - MAY 19TH, THE 47 IS DONE! https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1589931112153-7CN7H9ONZSOJC11D39AZ/IMG_20200519_174149.jpg Blog - MAY 19TH, THE 47 IS DONE! https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1589931185923-OELNZLHBTDQVRJ58M8KA/IMG_20200519_174246.jpg Blog - MAY 19TH, THE 47 IS DONE! https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1589931250467-UZHV7QHQNUFDW4E8735L/IMG_20200519_174445.jpg Blog - MAY 19TH, THE 47 IS DONE! https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1589931307264-LBXO1I1ZO03VU3W4GR55/IMG_20200519_180338.jpg Blog - MAY 19TH, THE 47 IS DONE! https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1589931385815-ECEUE6AP0L13X0MSCS61/IMG_20200519_180418.jpg Blog - MAY 19TH, THE 47 IS DONE! https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1589931437617-IXSHRLP2PBV181V5P4PR/IMG_20200519_174215.jpg Blog - MAY 19TH, THE 47 IS DONE! https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1589931520330-ZRK25G4JYNYQMQTV0W7H/IMG_20200519_174229.jpg Blog - MAY 19TH, THE 47 IS DONE! https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1589931586793-0XOE0FSYDXU7IM8RMRA7/IMG_20200519_180451.jpg Blog - MAY 19TH, THE 47 IS DONE! https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1589931663055-3SKRKXKQ1GSSAM3R8HPR/IMG_20200519_174504.jpg Blog - MAY 19TH, THE 47 IS DONE! https://linnmotorcycles.com/blog/2020/5/9/may-9th-update monthly 0.5 2020-05-10 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1589067918102-2BPID3KFTKLA0JR3HP0K/IMG_20200502_101224.jpg Blog - May 9th update: Here’s the engine mainshaft with keyway pointed towards the transmission, so it’s easier to align up the engine belt pulley. Put one of those new fangled lip seals on the mainshaft, you can just see it in the pic. Also, you’ll notice there’s no primary chain oiler protruding from the engine case, Wasn’t on the case when I bought it, and it’s not needed, so I left it off. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1589068144510-9AUUFC57IANW817WAH9O/IMG_20200502_101247.jpg Blog - May 9th update: Had to add spacers to the rear inner primary cover to get clearance from the pulley to the tin cover. As you can see, not too much room there. I also had to be sure that the rear chain wasn’t going to rub either. Fine line there. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1589068278464-507SLGJ1P92YRPXV0WSO/IMG_20200502_110732.jpg Blog - May 9th update: Here I’m aligning the clutch hub studs so that the disks will slide smoothly on the studs. I had several that were slightly crooked, and caused the plates to drag on them. I ususally check this before installing the hub on the bike, but forgot. It just takes a gentle tap or two to get the studs realigned so they move smoothly up and down the studs. What you see me pounding on is the stud installation tool. It’s hollow with a step in the hole so that the stud rides on the step and doesn’t touch the threads on the longer studs. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1589068766380-LS91IRR21F9U5009B27S/IMG_20200429_180943.jpg Blog - May 9th update: Here it is in a preliminary form. When I have all the bugs worked out, (mounting positioning of motor/drive system/generator, I’ll redo it in some nice wood instead of OSB https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1589068920062-J65N6KNT2WVIHT67GLUV/IMG_20200429_181010.jpg Blog - May 9th update: The gear driving the generator is actually a “45” exhaust cam. When I first built the drive gear/pulley setup, 45 cams were a dime a dozen, especially to me ‘cause I don’t play with 45’s. Any way, everything seems to work out just fine, so one of these days I’ll make it pretty :-) https://linnmotorcycles.com/blog/2020/5/4/may-4th-47ul-update monthly 0.5 2020-05-05 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1588635333485-GPIRY2KWIPRTQKA5U232/IMG_20200420_175102.jpg Blog - May 4th 47UL update: Time takes it’s toll, I now use an electric hoist to move the engine from the workbench to the bike chassis. I have the hoist on a trolley so I can lift the engine from the bench, roll along the trolley track, then lower it to the bike frame. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1588635537800-3Z8I49MX7UVTUVQPL922/IMG_20200420_183842.jpg Blog - May 4th 47UL update: In place, and no paint was sacrificed from the frame in the install! https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1588635862737-SGBS709KOM19OYKI51EA/IMG_20200422_071108.jpg Blog - May 4th 47UL update: Exhaust port honing tool???? https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1588635952237-8736TFYA30QU7RRPP8BA/IMG_20200422_114238%281%29.jpg Blog - May 4th 47UL update: https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1588636662270-MUKNDCJAE3TLVDLC4NCR/IMG_20200427_123234.jpg Blog - May 4th 47UL update: Making generator bolt pattern jig https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1588636747317-M02L7NQ6GJ6BV6WEDQUZ/IMG_20200427_123716%281%29.jpg Blog - May 4th 47UL update: Pattern jig on top of end piece to be modified, offset in pic to show amount of mount hole shift. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1588636966095-P8JRUQ7GIVX947SOJOEE/IMG_20200427_124715.jpg Blog - May 4th 47UL update: Here the pattern is positioned over the end cap to be modified on the mill. Just used dead reckoning to position the drill. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1588637225326-E4WAA082QUITQT0B3TI9/IMG_20200427_131557.jpg Blog - May 4th 47UL update: Finished end cap with 1/4-24 tapped holes. https://linnmotorcycles.com/blog/2020/4/21/47ul-build-april-21st-edition monthly 0.5 2020-04-21 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1587474877764-A8015N05D4OK77CVEONH/IMG_20200418_172957.jpg Blog - 47UL Build April 21st Edition PIstons just lightly scuffed, scuff marks vertical, not on an angle, showing that rods are running true in bores, not twisted or bent. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1587475099648-ANKE496T235US500OA1H/IMG_20200418_171516.jpg Blog - 47UL Build April 21st Edition Getting ready to do up the valves. The orange “O” rings are going to be the seals between the top spring cover and valve guide. The big one outside, and the smaller one inside, sandwiched in place between the spring spacer and the cover. They are Viton, tried Buna, but they couldn’t take the heat. The valve covers are new, I also use “O” rngs at each joint of the cover. Also, the section with the “Flats machine on them got an internal groove machined at the top so that the O ring could be recessed somewhat and the cover slide up and down more easily. functionally the same setup as the “K model” covers. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1587475469686-MRYQMVKKQAT9VLCVII61/IMG_20200418_173025.jpg Blog - 47UL Build April 21st Edition You can just see the Viton O ring at top of cover https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1587475544991-9UW0X8D3TLEYQ7BSYXWL/IMG_20200418_173012.jpg Blog - 47UL Build April 21st Edition Here you can see the O ring at the threaded joint. There is also one at the base of this cover. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1587475662366-6PRK04T9MOA62YS11DJ4/IMG_20200418_180359.jpg Blog - 47UL Build April 21st Edition The Jug going on. Some of you may ask “What’s with the pliers”? Simple the rubber covered handles support the piston as I’m sliding the jug over the rings. The rubber on the handles protects the piston and the case mouth/gasket. I’ve tried pieces of wood, whatever, but these work the nicest. The ring compressor I picked up at a yard sale a couple of years ago. Has a quick latch on the screw thread and opens completely to come off around the rod when finished. Cool Tool. Also notice the “K”/OHV size intake nipple. It’s brazed in place. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1587476021618-ZMLDG9D72GKEURQTKVFN/IMG_20200419_070550.jpg Blog - 47UL Build April 21st Edition Jugs on, lookin’ like a motor! https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1587476166770-6T2INEYIGN3KUB7E70HO/IMG_20200419_070558.jpg Blog - 47UL Build April 21st Edition Send the children out of the room, got a picture of a nice set of Jugs here! https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1587476398766-MLQRZJ45R6D4YZTYZ4X1/IMG_20200419_070603.jpg Blog - 47UL Build April 21st Edition In case the big F didn’t give it away, this is the front cylinder! These jugs were new “Indian sub continent” jugs that I got through Paul Freibus. He reworked them, installing the large nipples, the oversize intake valve and polishing the ports. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1587477008149-7D2Y6CIY8A6LS17P93GK/IMG_20200419_113123.jpg Blog - 47UL Build April 21st Edition https://linnmotorcycles.com/blog/2020/4/15/april-15th-edition monthly 0.5 2020-04-15 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1586993338126-UDROQD9DLPO52V5UNNI5/IMG_20200413_154050.jpg Blog - April 15th Edition Here’s the dashboard installed, kinda the main junction point, where everything comes together. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1586993446919-N0MC0BDA1M17J1IISSEA/IMG_20200413_154039.jpg Blog - April 15th Edition The main harness from the dash runs down to just above the oil tank, where wiring splits off to ignition, brake/tail light, and the idiot lights. The electronic voltage regulator will also mount here, but isn’t finished as yet. You can easily see the 12 volt gell cell and if you look closely, the circuit breaker that ties the battery minus to ground. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1586993740468-SSUFURL7E06VXQM728RH/IMG_20200413_151254.jpg Blog - April 15th Edition Adding the second slot for rotor vanes; Carbide cutter, the rotor is case hardened. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1586993837737-MINW00XSRCAXPS1RA3U6/IMG_20200413_151545.jpg Blog - April 15th Edition The finished rotor in place; And… https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1586993925893-0ZAQOOV46KJJTD3VMH0G/IMG_20200413_151841.jpg Blog - April 15th Edition Making the spider that will hold the vane springs in place. yes, that’s a finishing nail, nothing but hi tech here https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1586994021298-GHS7WQ2BOMUR88HNIAG2/IMG_20200413_152118.jpg Blog - April 15th Edition Two nails about to be soldered together…. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1586994083143-N08UFIEDKLEMD0L9QT74/IMG_20200413_153623.jpg Blog - April 15th Edition The nails soldered together, trimmed to size, and the stock springs shortened to fit. without the Nail-spider to hold the springs in place, there’s no way to get springs and vanes to play together nicely! https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1586994223658-VHAPK4LUFK6QHQPC3YL1/IMG_20200413_153725.jpg Blog - April 15th Edition The vanes and springs with spider just prior to inserting into the rotor and pump body. The Vanes are too long when you have four of them meeting in the middle of the rotor. So, you mill a small amount, approx .020” so that they won’t meet in the middle and bang into each other. Gee, “ how did you figure that out Dick?” H’mm, maybe error and trial? :-) https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1586994485718-S3WOG4JJP4I1D9VGHA0T/IMG_20200413_171346.jpg Blog - April 15th Edition Just a teaser here. We took a shot of the interior of the cam chest showing all those nice cleaned up gears waiting for cover to be installed. The red stuff is assembly lube, keep stuff from hurting itself on initial startup. https://linnmotorcycles.com/blog/2020/4/11/april-10th-edition-wiring monthly 0.5 2020-04-11 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1586612881059-FXDA6QPDSNAUURMHL7EO/IMG_20200408_153718.jpg Blog - April 10th edition, Wiring Handlebars, might be nice if you had some switches on the bars to honk your horn or dim your lights… And if you have a mill, you can make a nice slot instead of a drilled hole to bring the wires out of the bars https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1586613267295-BL362EEQ7UMPG3H8L0DO/IMG_20200408_154325.jpg Blog - April 10th edition, Wiring Of course, you’ll need to deburr the holes for those switch wires…. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1586613514736-HWG2HS5N5NHR8C9HLCGM/IMG_20200410_180548.jpg Blog - April 10th edition, Wiring And those “4” wires have to meet somewhere so you can turn stuff off and on, maybe an idiot light to check up on your oil and generator…. Only LED’s in this case, something about Harley’s and vibration and light bulbs aren’t compatible :-). And maybe solder the connectors instead of twisting them together and giving them a piece of tape! https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1586613763281-87F4RHXRKWARNNVQ8GDX/IMG_20200410_180109.jpg Blog - April 10th edition, Wiring And then, if you’re using an aftermarket dash base ‘cause old used ones are pretty much used up, you get to make all the mounting holes line up with where it’s supposed to mount! Gee, I love my Mill! I could have used a rat tail file, but, if you have big toys, you have to use them, right? https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1586613995589-1UWPFZX0OYVJN2Y0EALN/IMG_20200410_180802.jpg Blog - April 10th edition, Wiring So, here’s the flip side, with the wire looms in shrink tubing ready to install to the frame. https://linnmotorcycles.com/blog/2020/4/5/april-4th-edition-47-build monthly 0.5 2020-04-05 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1586108354935-G3WXCAKMINFBU5CUMG6Z/IMG_20200403_162725.jpg Blog - April 4th edition 47 Build Just have the fender sitting in place with a single bolt at the bottom and 2 screws just started in the fender brace. Tried something different this year, doubled up on the thickness of the brace directly under the mounting screws then tapped the brace so you don’t need to fumble underneath the fender when screwing them home. Pretty slick I thought. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1586108646977-5WSZY1XRXPQDX1WUBWQY/IMG_20200403_162732.jpg Blog - April 4th edition 47 Build Spacers under the U clamps to the frame to move the fender back a little for more room and gets the fender a little closer to the tire. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1586108763966-RGCI03MJE3259P1ET28E/IMG_20200403_164831.jpg Blog - April 4th edition 47 Build Back side of the license plate bracket… https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1586108892692-UKP17P4AUHDDACFYXLAV/IMG_20200403_180658.jpg Blog - April 4th edition 47 Build Another view of the bracket, now we have the wheel on as well https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1586108985645-SCOKBWWX17I1KMPLJRW2/IMG_20200403_175053.jpg Blog - April 4th edition 47 Build Here’s the chain guard going on, you can see it has a threaded stand off welded to the fender brace to hold it in the rear. On the far side you can just see the second screw into the license bracket which also has a threaded standoff to keep it secure and prevent loosening and rotating. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1586109160551-9QGNKNJQZKWKJP24Z8FS/IMG_20200403_180645.jpg Blog - April 4th edition 47 Build We’ve got the chain guard mounted and also the pillion pad secured. Yeah, the primary is just mocked up, just had to get the bigger picture, ya know? https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1586109408276-DP5XAUX7TN927W9QGM1X/IMG_20200404_174051.jpg Blog - April 4th edition 47 Build Forks assembled and back in place, and no paint chipped. Good day’s work in my book. https://linnmotorcycles.com/blog/2020/3/31/reworking-a-carb-for-a-friend-32920 monthly 0.5 2020-03-31 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1585669466728-Q1R4D0LR2KBQAARI5CU4/IMG_20200330_174605.jpg Blog - Reworking a Carb for a Friend. 3/29/20 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1585669518233-TZSGP7QB8X3YKEGUNMY5/IMG_20200330_174617.jpg Blog - Reworking a Carb for a Friend. 3/29/20 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1585669567322-50PH94LM8UNYQK0SP5LB/IMG_20200330_174647.jpg Blog - Reworking a Carb for a Friend. 3/29/20 https://linnmotorcycles.com/blog/2020/3/31/march-31st-edition monthly 0.5 2020-03-31 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1585667867690-YVI67P59R6DM3E4W9NJB/IMG_20200329_143848.jpg Blog - March 31st edition I just love to make things shiny! https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1585668058364-SQ67FBE10RIIAQ9SK6KA/IMG_20200330_174502.jpg Blog - March 31st edition The forks have just been pin striped, but doesn’t show up well in the photo. I may have too much clutter in my shop. :-) https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1585668564277-YOUNCHJO3XCX8SUS5NUU/IMG_20200330_174529.jpg Blog - March 31st edition Another shot at the pinstriping https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1585668663209-ZMC0EYSE0BGQKSFSAKGV/IMG_20200330_174451.jpg Blog - March 31st edition Tanks and fenders ready to roll. https://linnmotorcycles.com/blog/2020/3/25/more-pictures-of-the-47-build-in-no-special-order-added-march-25-2020 monthly 0.5 2020-03-25 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1585147923450-TIT40Y9FEAJPSD9NL8MU/47frameprimer1.jpg Blog - More pictures of the 47 build, in no special order, added March 25, 2020 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1585147994147-BKDYMQHUSMJKH3QU1ERZ/framebtmup4.jpg Blog - More pictures of the 47 build, in no special order, added March 25, 2020 Raw, blasted frame https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1585148047295-MZ6XK8TMQWOWHL3H7TVN/framepaint9.jpg Blog - More pictures of the 47 build, in no special order, added March 25, 2020 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1585148224942-ZIPJ24UT6IKFS1I0XM80/framepaint11.jpg Blog - More pictures of the 47 build, in no special order, added March 25, 2020 In Primer… https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1585148263064-ZE2G2OFFF2HQ3PJD9TT7/framepaint8.jpg Blog - More pictures of the 47 build, in no special order, added March 25, 2020 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1585148371151-F5T94KE6RAKI2YZGT1DC/framepaint4.jpg Blog - More pictures of the 47 build, in no special order, added March 25, 2020 I made a “rotisserie” attachment for my bike stand/cart so as to make it easy to paint frames topside and bottomside. It’s worked out quite well, this the 3rd frame I’ve done, I adapted it to do swingarm as well as a Sporty frame. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1585148665726-9TZLISFK5DV1O4IRR80C/IMG_20191110_1246533_rewind.jpg Blog - More pictures of the 47 build, in no special order, added March 25, 2020 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1585148740453-ZBLOHGKQNE4WRFFC0VIK/IMG_20191110_1246583_rewind.jpg Blog - More pictures of the 47 build, in no special order, added March 25, 2020 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1585149828975-17VE1V8SQ4PJAE9MOS8S/IMG_20191110_1247232_rewind.jpg Blog - More pictures of the 47 build, in no special order, added March 25, 2020 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1585149896749-88QX53XT40W9RDSMB8FK/IMG_20191110_1247593_rewind.jpg Blog - More pictures of the 47 build, in no special order, added March 25, 2020 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1585149951403-6VISOSW0YQRN3QAVNBWI/IMG_20191110_1247379_rewind.jpg Blog - More pictures of the 47 build, in no special order, added March 25, 2020 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1585150636030-SSA7SRVQKQWDPIMBTOK0/bellynumbers1.jpg Blog - More pictures of the 47 build, in no special order, added March 25, 2020 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1585150669204-GDDA99ZAUB0Y25FN39X1/bellynumbers2.jpg Blog - More pictures of the 47 build, in no special order, added March 25, 2020 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1585150744956-WXQNNK9T0H865VQKWXSD/tanks_afterblasting.jpg Blog - More pictures of the 47 build, in no special order, added March 25, 2020 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1585150786351-RDBW2VGKSHCJWNU1CBDK/tanks_afterblasting2.jpg Blog - More pictures of the 47 build, in no special order, added March 25, 2020 Someone in the past had brazed the 3 nubs on the tank for some sort of badge. Obviously, we ground them off and then added the brackets for the ‘47 style badges. https://linnmotorcycles.com/blog/2020/2/23/learning-about-blogging monthly 0.5 2020-03-25 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1582477296154-2F2DKPTBY7YAHBI6SX70/timing_race_on_tool1.jpg Blog - 47 UL Project updates https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1582477362191-FUYJOWGLGM273GZZR5DP/timing_race_on_tool2.jpg Blog - 47 UL Project updates https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1582477745971-V0RN8LHDXMLT7NOOKZIM/freezing_main_1.jpg Blog - 47 UL Project updates https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1582478172390-V8LFKF7LR72HTUW4P2ID/timing_race_set2.jpg Blog - 47 UL Project updates https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1582478738021-3WGZNQ72TT50GFXOA763/timing_lap_1.jpg Blog - 47 UL Project updates https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1582478767670-GFTXQPIU3XI28XE06CNX/timing_lap_2.jpg Blog - 47 UL Project updates https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1582478794293-HXLRHIUIBHE1AGEGOGC3/main_lap_drive.jpg Blog - 47 UL Project updates https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1582478823422-GACCI7PFZRXBI3571HG5/main_lap_drive2.jpg Blog - 47 UL Project updates https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1585143690989-GA1W8B8PF8QDFC4PEAFP/47backingplate.jpg Blog - 47 UL Project updates https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1585143725482-5T97YRO3ZSF604XGGY3F/47brakeshoes1.jpg Blog - 47 UL Project updates https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1585143760480-E3DJ110462XAMEMX578B/47brakeshoes2.jpg Blog - 47 UL Project updates https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1585143798771-8FJN3Z6W43DJXPZRIUGV/47brakeshoes3.jpg Blog - 47 UL Project updates https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1585144143432-EFKIIJEJB2KJAAQH74XT/47cambearings1.jpg Blog - 47 UL Project updates https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1585144361308-HJINSMM5MMLO79KDCGQM/47cambearings2.jpg Blog - 47 UL Project updates https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1585144422416-C4ARZV8DN23GLFXTHADV/47cambearings3.jpg Blog - 47 UL Project updates https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1585144607096-D62LYW56E4HWN3DDECL2/47paintshop_helpers.jpg Blog - 47 UL Project updates Tanks, fender, etc after the first coat of clear. My 2 mouse catchers can barely be seen in the background checking out my work. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1585144778293-45I72DYAESMN5KJF2OTH/47paintshop2.jpg Blog - 47 UL Project updates https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1585144824019-589TBHODTU7TU267XLZ6/47paintshop3.jpg Blog - 47 UL Project updates The badges are going to be the 47-51 “Speedball” type, the tanks themselves are 70’s era superglide 3 1/2 gal. I like using them as they’re real steel and they use the later style petcocks which are simple and work. https://linnmotorcycles.com/blog/2020/2/16/the-47-ul-build-current-project monthly 0.5 2020-02-16 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1581885294992-ALJ3HASONS48UCMGPHSA/finalset1.jpg Blog - The '47 UL Build (Current Project) Finished product https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1581885397150-24N2WY2HAIWE5HCMEREC/finalsprocket.jpg Blog - The '47 UL Build (Current Project) finished sprocket/drum, not too shabby, if I say so myself. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1581885480076-Y0CRRAMRRXDHES4NR9MJ/rivetjig1.jpg Blog - The '47 UL Build (Current Project) https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1581885601868-WFG70VFYDVOUFL8AUIFI/rivetjig2.jpg Blog - The '47 UL Build (Current Project) https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1581885649684-00JW50CBQY1AFV05CQG1/rivetset1.jpg Blog - The '47 UL Build (Current Project) business end of handheld punch https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1581885706191-DKBLPSB6KZ9F16SMIJUF/rivetset2.jpg Blog - The '47 UL Build (Current Project) Punch in position….. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1581885757289-OGYZWULPF81LMRZ01IN7/rivetset3.jpg Blog - The '47 UL Build (Current Project) Let ‘er Rip, Notice 5 fingers, I wear Heavy gloves while driving a hammer and not just posing for the camera. Notice heavy steel plates under rivet set and overall jig. Heavy mass behind the set means the rivet gets the pounding instead of everything dancing across my workbench. https://linnmotorcycles.com/blog/2019/3/10/54-pan-build-update monthly 0.5 2019-03-10 https://linnmotorcycles.com/blog/2019/2/24/the-54-pan-is-alive monthly 0.5 2019-02-25 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1551061204743-1QDUQ57TT52PLA2BXYG2/left_54.jpg Blog - The '54 Pan is Alive! https://linnmotorcycles.com/blog/2019/1/30/progress-on-latest-build monthly 0.5 2019-01-31 https://linnmotorcycles.com/blog/2018/12/25/idea-for-the-next-paint-job monthly 0.5 2018-12-29 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545761676708-23TP65FQ3TVA9R8Q1KJG/image-asset.jpeg Blog - Idea for the next paint job... https://linnmotorcycles.com/blog/2018/12/17/flathead-piston-oiler monthly 0.5 2018-12-17 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545023074267-T1N2BKMXOLFM84VS5NTM/image-asset.jpeg Blog - Flathead Piston Oiler Here’s a picture of the jets installed https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545023102042-LMHJ5MZYRMEFJKREIY1W/image-asset.jpeg Blog - Flathead Piston Oiler https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545023116196-TOUAAFUXO92C4T2GRTRB/rearjet_1.jpg Blog - Flathead Piston Oiler https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545023138586-IVC03GL0APPV442DM45X/feedhole_1.jpg Blog - Flathead Piston Oiler This is a shot of the feed to the piston jets. This is the top case through bolt hole, enlarged to 3/8" for a short distance. Oil is fed via a Banjo fitting that the through bolt holds in place. Then, down through the drilled hole to the jets. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545023161446-WUAEPASMXDG8RND9H7EL/image-asset.jpeg Blog - Flathead Piston Oiler Here's the raw holes, there is a hole drilled up through the existing hole above, the one created by the meeting of the 2 drillings for the cylinder hold down studs. The hole is drilled up through to the hole for the case bolt. It's what you can barely see in the previous picture. The ends of the tubing are soldered shut, then the hole drilled with a # 61 drill bit. The oil should be directed in a manner to miss the rods and wrist pin bosses and hopefully hit the inside of the piston crown. Time will tell. https://linnmotorcycles.com/blog/2018/12/16/modifying-a-sportster-pump monthly 0.5 2018-12-17 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545022081102-OITZQCKMRAZJEB6JCG4J/Sportster1 Blog - Modifying a Sportster Pump - Sportster Pump Supply Side Sporty pump supply side https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545022252206-RB8T0W0KK8RTB276VKDD/pressurefeed.jpg Blog - Modifying a Sportster Pump - Pressurized Oil Tap Here's a shot showing how a fitting is used to take the pressure feed from the Sporty Pump. This feed will be routed to a modified flatside sidevalve pump. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545022311187-OK42RJ5VWR35P9J8H790/image-asset.jpeg Blog - Modifying a Sportster Pump - Modified Original Supply Pump https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545022351678-23LF06INC72M0TCP9B12/image-asset.jpeg Blog - Modifying a Sportster Pump - Modified Original Supply Pump https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545022394345-L8RIOFSN0JR8WUBNIAKX/supplymod_1.jpg Blog - Modifying a Sportster Pump - Modified Return Pump Section This is a shot of the return side of the sporty pump, showing the passage added to route oil to the new port added to the bottom plate of the oil pump. See next pic https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545022423768-OQCZANY7HPFIFF23W7EJ/image-asset.jpeg Blog - Modifying a Sportster Pump - Return Pump Reverse This picture shows the added spigot added to the bottom of the sporty pump to pass return, (scavenged) Oil back to the oil tank. That's just a piece of bar stock turned and drilled with a flat filed on one side. Then the flat is tapped 1/8" pipe to take the fitting. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545022517173-CVF7GT2EPQ4P5FF0EZ0Y/image-asset.jpeg Blog - Modifying a Sportster Pump - New Oil Return (inside view) Here's another shot of the new drilling made to channel return oil from the scavenge pump. This new hole lines up with the fitting brazed to the outside. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545022573527-I53UO3CLOBCON5S0WOMR/image-asset.jpeg Blog - Modifying a Sportster Pump - Second Feed Hole This passage in the top of the sporty pump I used fed directly in to the passage to the feed side of the supply pump. This makes 2 connections to that passage. As I don't have a set of sporty cases, I don't know what function it served. However, when we're fitting the pump to a BTSV, it definitely needs to be blocked!! https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545022614878-SSBWOJUTEQ79TX31XF6O/prelimpumpmounted.jpg Blog - Modifying a Sportster Pump https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545022672127-EEQMN8FZGNLAANXECQOB/sportymounted_1.jpg Blog - Modifying a Sportster Pump https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545022708230-KC4DPALPTUGZEFXGF8V2/setup.jpg Blog - Modifying a Sportster Pump - Test Jig This is an early shot of the test jig, the case is upside down, and the supply side pump's output is going into a graduated cylinder, just out of the picture. Test results were; 250ML in 23 seconds at 1000 Pump RPM. I added drive pins to both the mainshaft and the #2 camshaft so I could choose the speed I was driving the pump. Driving the cam would translate drill speed directly to pump speed. Driving the mainshaft would halve the speed of the pump. I.E., Drill turns the mainshaft at 1000 RPM, the Pump would run at 500RPM. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545022774163-5GL0JBXPFW9DH3WQU437/image-asset.jpeg Blog - Modifying a Sportster Pump - Test Jig https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545022817590-WEPQWEGFR41BCJ9PK6E9/image-asset.jpeg Blog - Modifying a Sportster Pump https://linnmotorcycles.com/blog/tag/https%3A%2F%2Fwww.ebay.com%2Fitm%2F1954-Harley-Davidson-Panhead%2F273753456151%3Fhash%3Ditem3fbcfa3e17%3Ag%3A1u8AAOSwcntchE9D monthly 0.5 https://linnmotorcycles.com/home-stacked daily 1.0 2025-05-12 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545016064384-NWXRDBA551HDIEYC41JS/edited.jpg Home https://images.squarespace-cdn.com/content/v1/5b44e4e5365f02ee34e659ec/1550868296249-URRHXVDAQ89W1S1XJH5B/stacked-4.jpg Home https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545016312424-ZLMGOGK0IKKC15UX1TJ0/fleettake2_2_web.jpg Home https://linnmotorcycles.com/about daily 0.75 2018-12-17 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545015434429-O2MJGIOACQA0VXR6HGT2/ProudOwner_800.jpg About https://linnmotorcycles.com/detail-page daily 0.75 2018-12-17 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545013865531-6EGAPTE8DHRGQH1GBE45/44U_bobber.jpg Detail Page https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545013865556-5BBGKH5WDLDAL1U3RSYR/47ULtank1.jpg Detail Page https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545013866786-QHKDZ7RQOBSSPRFTZ75J/50EL_view2.jpg Detail Page https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545013866892-4227OATGDKUUQI6F9ME8/1024_Panshov.jpg Detail Page https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545013867739-5NFQ20ED3NMRUJXXJSJN/Rightside1_1.jpg Detail Page https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545013867961-B3KFFY26KZGZXKVN4FTG/SSpicCR_DT_.jpg Detail Page https://linnmotorcycles.com/contact daily 0.75 2021-03-12 https://linnmotorcycles.com/testimonials daily 0.75 2020-02-16 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545015499384-DJZRL8CLDI7JFHU17ZY1/44U_bobber.jpg Past Builds - 44U Bobber, built 2012 44U Bobber, built 2012 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545015502201-WBP8NKVQ6FDI886NBW4V/1024_Panshov.jpg Past Builds 1950 Pan/Shovel built 2013 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545015502922-DXIKWOT9I4OXYJTFTUI1/Rightside1_1.jpg Past Builds - 1948 UL Bobber, Built 2014 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545015499552-8EV2964CKUPW1JAWK87G/47ULtank1.jpg Past Builds https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545015503697-IE9RT96BKA7QRHVVGZPT/SSpicCR_DT_.jpg Past Builds https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1545015501867-E8AIIR3QIJDSGB29B6XL/50EL_view2.jpg Past Builds https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1581887214631-BF5ZJP4X2226Z0KVV847/IMG_20190309_0950282_rewind.jpg Past Builds https://linnmotorcycles.com/generators daily 0.75 2020-11-24 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1581888775658-FR7HFV8XKN3VR3SPN14M/51_3.jpg Generators https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1581891675682-EJM9T4RCEM372IPL7AKY/regulator_640.jpg Generators Regulator installed on a ‘58 Pan. (the small aluminum box. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1581897124044-05CLXLJJ47KHQJIYPARJ/regulator_1.jpg Generators Regulator showing red LED ON light, LED’s Red, genny’s working! https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1606179639863-Y9904FWWEL71K7P3ZN8C/reg_in_mech_case1.jpg Generators Electronic unit mounted to the old gutted mechanical base. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1606179729598-LT65AWDEFO8YS6DVFTG5/reg_in_mech_case2.jpg Generators Here’s the regulator mounted on the customer’s bike. He left the cover off to show off his mounting. The cover just fits very nicely. He put a couple of holes in the bottom side of the old regulator cover to give the electronics a little ventilation. Nice Job! https://linnmotorcycles.com/flathead-oil-system-modifications daily 0.75 2020-07-06 https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1593823500070-EM6PKZPUHVAIG06VIJON/IMG_20200703_083851.jpg Flathead oil system Modifications This is a early conversion that I had put aside for awhile. I repurposed it for the latest version . The sending unit “snout” had been welded sometime in the ancient past https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1593993939623-8PCFJG6BP5RCFOAOG2XX/IMG_20200703_083948.jpg Flathead oil system Modifications Here you can see where I plugged the sending unit “snout”, and tapped into the supply pump output at an angle with a new passage. https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1593995338777-0RCJO22XGJBK4R1P9FY6/pump_distbtm1.jpg Flathead oil system Modifications https://images.squarespace-cdn.com/content/v1/5c16f73be2ccd1a34937fc29/1593995434276-FJRD9L57V1FQKIS0CHQC/pistonfeed800.jpg Flathead oil system Modifications