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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. 5.3l, 6.0l, or 6.2l swap or cam

    By Leo Opalewski,
    • 2 replies
    • 6.7k views

  2. Power Outlets not working - 2007 Silverado NBS

    By Clint Sykes,
    • 1 reply
    • 620 views

  3. PO300 code

    By chevyv8350,
    • 2 replies
    • 1.1k views

  4. 2004 GMC yukon Denali hard to start, no check engine lights, missing under load.

    By boatguy95,
    • 13 replies
    • 8.7k views

  5. Front Differential Mount Bushings

    By Ron Kaylor,
    • 4 replies
    • 7.8k views

  6. Replacement dash

    By Lawrence Pelley III,
    • 4 replies
    • 817 views

  7. Cams and heads and such

    By Silvermado,
    • 0 replies
    • 570 views

  8. More torque more compression

    By Silvermado,
    • 6 replies
    • 4.4k views

  9. john-boy

    By johnny brannon,
    • 2 replies
    • 715 views

  10. Simple brake question 04 Sierra

    By keensali,
    • 4 replies
    • 735 views

  11. 2004 GMC 1500 5.3 4x4 P0335 keeps coming back

    By Daniel Dufresne,
    • 0 replies
    • 1.3k views

  12. Hardware switch 08 pickup onto suburban

    By Dominick Witchey,
    • 0 replies
    • 1.1k views

  13. How to keep my engine seals good

    By Jesse Reimer,
    • 2 replies
    • 757 views

  14. 04 yukon misfire

    By jdtm84,
    • 1 reply
    • 569 views

  15. Abs and Break light with random Loss of power

    By Lancebirm,
    • 2 replies
    • 948 views

  16. Crankshaft Position Sensor O-Ring

    By rwagoner,
    • 1 reply
    • 4.5k views

  17. Help with engine wiring harness

    By jkking72,
    • 13 replies
    • 5.5k views

  18. What type of differential? 1 2 3

    By Ian Mills,
    • 43 replies
    • 5.1k views

  19. Parts for lifters/vlom/gaskets

    By steelcity73,
    • 1 reply
    • 693 views

  20. Chevy express twin turbo gear ratio and transmission

    By Hendrik,
    • 0 replies
    • 251 views

  21. 2011 Suburban 5.3 cylinder misfire

    By Thedortondad,
    • 8 replies
    • 6.1k views

  22. Identify this missing connector?

    By t.mcginley.jr,
    • 0 replies
    • 744 views

  23. I NEED YOU!

    By Jeffrey majeske,
    • 0 replies
    • 554 views

  24. 0w30 Engine OIL ILSAC GF-6A and SP Rated engine oil

    By bg1988,
    • 0 replies
    • 1.4k views

  25. Range Disabler vs. new cam?

    By steelcity73,
    • 2 replies
    • 2k views
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