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Gen III & Gen IV V8 Engines (LS-Based)

The legendary small blocks. Tech for the 4.8L, 5.3L, 6.0L. Discussion on AFM Delete kits, cam swaps, and the 4L60E/4L80E transmissions. Also covers the 2-Mode Hybrid.

8,159 topics in this forum

  1. 07-13 GMC Sierra All Terrain Brushed Metal/Aluminem Cup Holder Tray

    By Mitch Wyndham,   
    • 0 replies
    • 2.1k views

  2. 99 Sierra steering issue

    By Kylem,
    • 0 replies
    • 787 views

  3. 2004 GMC Sierra 1500 4x4 5.3 Heater Not Warming

    By Chad_has_an_04_Sierra,   
    • 3 replies
    • 2.3k views

  4. Silverado still won’t start after passlock fixes

    By GrummanP30,
    • 1 reply
    • 724 views

  5. 99-02 silverado remote start with oe key fob?

    By masonrrs1,
    • 1 reply
    • 1.4k views

  6. 2011 sierra TCM location

    By Brent VanPatten,
    • 1 reply
    • 4.7k views

  7. Over heating due to air pockets

    By Best Deals,
    • 3 replies
    • 1.2k views

  8. 4.8L twin turbo build

    By Tucker Man,
    • 3 replies
    • 737 views

  9. Hellllp

    By Tatts4ever,
    • 2 replies
    • 610 views

  10. Front Crankshaft seal leak replacement

    By Erick C.,
    • 1 reply
    • 1.2k views

  11. torque converter recommendation

    By atup1996,
    • 3 replies
    • 820 views

  12. Transmission binding

    By Makuch01,
    • 1 reply
    • 716 views

  13. New Starter grinding on 2008 chevy 1500 wt (4.3 v6 engine)

    By 08beatersilvo,
    • 2 replies
    • 749 views

  14. P0305 and Serv. Stabilitrak/Traction Control figure this one out?

    By Paul57,
    • 1 reply
    • 4.1k views

  15. 2013 GMC Yukon Denail 6.2L Stuck Lifter 1 2

    By Erick C.,
    • 15 replies
    • 14.4k views

  16. Trouble codes help!

    By Adoni Tambakis,
    • 0 replies
    • 491 views

  17. ECM commanding max line pressure 2nd gear only

    By kansas-farmer,
    • 0 replies
    • 472 views

  18. Truck not starting after oil pickup tube o ring replacment

    By Sammy1234,
    • 7 replies
    • 1.8k views

  19. Dreaded intprk, again

    By quucumbers,
    • 2 replies
    • 709 views

  20. Test Post

    By n4hmr,   
    • 1 reply
    • 837 views

  21. Issues Replacing the Injectors in a 2002 Chevy Silverado 3500 Cab/Chassis Truck

    By n4hmr,
    • 0 replies
    • 890 views

  22. 2009 gmc sierra 2wd 4.8l rebuilt transmission noise

    By Tony Faber,
    • 0 replies
    • 600 views

  23. Hesitation, misfire no codes?!

    By sspeedguy,
    • 2 replies
    • 650 views

  24. Cluster HELP!!

    By WvldosWorld,   
    • 1 reply
    • 798 views

  25. Knock sensor replacement

    By JacobNya,
    • 1 reply
    • 609 views

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