Jump to content

Engines & Drivetrain

Tech for the 5.3L (L83), 6.2L (L86), and 4.3L V6. Tuning and 6L80 / 8L90 transmission support.

2,739 topics in this forum

  1. 4.3 V6 Engine oil dipstick.

    By Donstar,
    • 14 replies
    • 9.8k views

  2. Def

    By Randy A,
    • 0 replies
    • 419 views

  3. E4500 odd issue starting truck - what's wrong ??

    By GM GR,
    • 1 reply
    • 531 views

  4. When Should I sell my (I mean disable DOD/AFM on) 2014 High Country with 5.3L L83?

    By TedH,
    • 8 replies
    • 6.2k views

  5. Gen V 4.3 Trouble Free Mileage

    By Grumpy Bear,
    • 9 replies
    • 2.4k views

  6. Move over Defenders LTX, Newest Michelin Tire 1 2

    By TXGREEK,
    • 19 replies
    • 7.6k views

  7. Cylinder 5 misfire help 1 2

    By joshc64311,
    • 15 replies
    • 32.7k views

  8. What could this noise be???

    By Ec22champ,
    • 5 replies
    • 1.1k views

  9. Great web forum for Transmission issue

    By pokismoki,
    • 0 replies
    • 1.1k views

  10. 2016 Silverado High pitch sound???

    By Rickyace09,
    • 1 reply
    • 809 views

  11. Remanufactured transmission 1 2

    By AZfrank08,
    • 15 replies
    • 19.6k views

  12. Exhaust

    By fordsmt,
    • 2 replies
    • 904 views

  13. Instant Shutter Fix 8 speed 1 2

    By High Country 6.2L/8,
    • 25 replies
    • 24.5k views

  14. 8L90E replacement

    By Just 1 More,
    • 2 replies
    • 1.5k views

  15. 5.3 Exhaust manifold heat shield bolt part number

    By movario,
    • 6 replies
    • 6.9k views

  16. PF63 vs PF63E Oil Filter

    By 442olds,
    • 4 replies
    • 16.8k views

  17. Tow/Haul wont turn off in the engine. Button on the dash works just fine.

    By spencer.smith99,
    • 5 replies
    • 1.1k views

  18. LV3 balance shaft

    By Lee Thompson,
    • 0 replies
    • 1.5k views

  19. P06DD - Oil Pump Failure Findings

    By agentf,
    • 4 replies
    • 5.9k views

  20. Performance Spark Plug Wires

    By SARNCAN,
    • 13 replies
    • 14.7k views

  21. Transmission Fluid 1 2 3

    By Vom Breezy,
    • 36 replies
    • 7k views

  22. 2018 electronic struts and shocks

    By Joseph McBride,
    • 0 replies
    • 582 views

  23. Oil Viscosity.....GM and my local Service Manager 1 2 3 4

    By GsBowtie,
    • 48 replies
    • 30k views

  24. 2016 Yukon Denali 6.2L - Camshaft Actuator repair

    By Tmirk,
    • 0 replies
    • 1.1k views

  25. Please help with 4.3L HP increase? 1 2 3 4 5

    By TomBrady80,   
    • 73 replies
    • 70.7k views

  • Recently Browsing   0 members

    • No registered users viewing this page.

  • Forum Statistics

    250.5k
    Total Topics
    2.7m
    Total Posts

  • Member Statistics

    342,892
    Total Members
    8,960
    Most Online
    EllDMc
    Newest Member
    EllDMc
    Joined

  • Who's Online   6 Members, 0 Anonymous, 829 Guests (See full list)

×
×
  • Create New...