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  1. donjetman

    Engine Oil Leak? - Found :)

    I take pride in having/keeping a leak-free dry engine. This yr my engine started leaking oil on the passenger side of the engine. Oil was showing up on top of the rear 2 coils (#8 & #6) and points below. I changed the valve cover gaskets twice, the crank position sensor, and oil level low...
  2. donjetman

    Removed 6L80 pan.

    For filter & fluid change. Its been 4+ yrs and 43k miles since filter was replaced. I've done 2 dump and fills (5 qts ea time) since 2022. Pan/magnet were almost clean and fluid looked fine. Going back in w/Dexron6 and #24236933 filter & seal, and I'll send an atf sample off for analysis.
  3. donjetman

    Took the Oil Pan Off Yet Again

    3 summers in a row now since I started running Valvoline Premium Blue "Restore" 10w-30. (not Valvoline Restore and Protect). VPB Restore came about when Cummins asked Valvoline to come up with an oil that would cleanup the stuck piston ring problem they were having in one of their engines...
  4. donjetman

    Why oil pressure doesn't matter (much)

  5. donjetman

    LS Barbell / Dogbone Delete video

    Thought u might be interested in this:
  6. donjetman

    First Brands Prepares for Bankruptcy

    https://www.ttnews.com/articles/first-brands-bankruptcy
  7. donjetman

    UOA-08 Gen4 5.3 LY5 LS

    1951 Chevy 5 window Resto mod pickup: I recently decided to do a used oil analysis (UOA). Results were not what I expected :( high copper & lead (bearing material). At 11,000 miles maybe the engine is still making brake-in metals? The oil was Mobil 1 0w-40 Euro, 11 mths old w/400 miles. Oil...
  8. donjetman

    Took The Oil Pan Off Again

    As you may recall? in June of 2024 I had the pan off of my 198k miles (at the time) 2007 6.2L L92 to see how well my MIX of 2 qts of Valvoline Premium Blue "Restore" 10w-30, and 4 qts of Mobil 1 Euro 0w-40 were cleaning the insides of the engine. After only 2500 miles it was impressive. Now the...
  9. donjetman

    LS & LT Cam Bearings

    https://www.lsxmag.com/tech-stories/engine/bearing-down-diving-into-gm-ls-and-lt-series-cam-bearings/
  10. donjetman

    Top Tier Fuel Reduces Deposits video

    LSjr/Motor Oil Geek: I had run a tank or 2 of Techron and it had done a little cleaning. I did the rest: https://www.tahoeyukonforum.com/threads/valley-cover-crank-pulley-etc.149036/page-2#post-1886763
  11. donjetman

    7,500-mile Maximum OLM oil change interval (OCI)

    Included with the 2012 TSB 11-06-04007C for 08-11 GM vehicles, equipped with Engine RPO LFA, LY2, L20, LMG, LC9, LH6, LMF, LH8, LH9, L76, LS2, LY5, LY6, L92, L96, LZ1, L94 or L9H, they will receive the enhanced oil life monitor (OLM) algorithm as part of the new ECM calibration. The enhanced OLM...
  12. donjetman

    GM Oil Consumption TSB/Technical Service Bulletin Link

    The oil consumption GM Technical Service Bulletin Link that I have provided and posted here at TYE forums for 6+ yrs is dead. Here is a new good link: https://static.nhtsa.gov/odi/tsbs/2014/MC-10114272-9999.pdf
  13. donjetman

    Bearing Clearance, Aluminum Block & Steel Crank

    Here's a good video showing that bearing clearance changes with temperature especially with aluminum blocks. They talk about it at 17:45.
  14. donjetman

    Rear dual brake hoses

    Today I installed new dual rear brake hose setup Genuine GM# 176-1525 - $63 amazon. Gravity bled the brakes afterwards.
  15. donjetman

    Good Oil Filter video by LSj

    I case you didn't know:
  16. donjetman

    Future Gen-V LT Swap?

    Interesting: https://www.lsxmag.com/tech-stories/l8t-to-the-party-indirect-effects-with-direct-injection/
  17. donjetman

    Eric O video about non-oem parts cannon

    another good one
  18. donjetman

    6L80/90 Torque Converter Heavy Duty Builds-Sonnax

    I found this interesting @NickTransmissions
  19. donjetman

    Eric O - Passenger side exhaust bolts on a 07 6.0

    I'm building up my nerve maybe this summer I'll tackle my 3 broken bolts
  20. donjetman

    Eric O-Exhaust Manifold Bolt Removal

    I have 3 that I've been afraid to attack for 6+ yrs. He makes it look easy.
  21. donjetman

    DOT Secretary Rolls Back All Emission Standards

  22. donjetman

    Why The Gen-V LT Outshines The LS

    https://www.lsxmag.com/news/why-the-gen-v-lt-outshines-the-ls-engine-for-performance-builds/
  23. donjetman

    Understading VVT

    https://www.lsxmag.com/tech-stories/l8t-to-the-party-using-vvt-to-our-benefit/
  24. donjetman

    Oil Cooler Adapter w/Thermostat

    they also make one wo/thermostat, and a lot of other cool stuff. https://www.improvedracing.com/low-profile-oil-cooler-thermostat-for-ls-engines.html
  25. donjetman

    Best Motor Oil?

    Here's another good LSjr video:

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