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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. #6 cylinder misfire collapsed lifter

    By Idontknowanymore,
    • 0 replies
    • 1.5k views

  2. Is my transmission in danger?

    By john1,   
    • 5 replies
    • 1.9k views

  3. Whining coming from under bed

    By LoneWolfie,
    • 1 reply
    • 866 views

  4. Door power issue

    By Cholson,
    • 0 replies
    • 395 views

  5. What transmission do I have?

    By dmundo,
    • 5 replies
    • 2.9k views

  6. Leveled Sierra getting 12mpg!!!

    By NickSierra88,   
    • 7 replies
    • 3.4k views

  7. 2011 Sierra 1500 5.3l engine replacement

    By Rick Sacco,
    • 13 replies
    • 12.2k views

  8. 2013 Silverado gear swap

    By mason_smith818,
    • 6 replies
    • 5k views

  9. Different gear ratio front to back

    By dcw57,   
    • 5 replies
    • 1.5k views

  10. Start / Rev / Die

    By Charles_Colfax,
    • 1 reply
    • 428 views

  11. overheating in my 2007 4.8

    By dj mats,
    • 4 replies
    • 1.1k views

  12. 2006 silverado ls swap starter issues

    By Dustin goodwin,   
    • 0 replies
    • 757 views

  13. 2006 5.3 Cam Chirp, small upgrade time?

    By 86Pacecar,
    • 6 replies
    • 3k views

  14. Catalytic converter 2002 1500

    By xracer,
    • 4 replies
    • 789 views

  15. Something Squeaking

    By Throw Away,
    • 4 replies
    • 717 views

  16. 99 Sierra 4 Wheel wont disengage.

    By eclivic,
    • 1 reply
    • 597 views

  17. Replacing cab

    By Greg Short,
    • 1 reply
    • 394 views

  18. Name that Noise

    By govener71,
    • 3 replies
    • 856 views

  19. 2004 Silverado 1500 4WD

    By you can't,
    • 3 replies
    • 696 views

  20. Rubbing in 4x4

    By Chris Strahler,
    • 4 replies
    • 728 views

  21. 2010 Silverado LT low oil pressure

    By Jrue03,
    • 8 replies
    • 2.6k views

  22. 2005 Silverado Service Tire Monitor light

    By chevylaked,
    • 1 reply
    • 644 views

  23. 2007 Sierra 4x4 issues

    By Greg Wray,
    • 0 replies
    • 330 views

  24. Quadrasteer Lift Possible?

    By LowKeyIdiots,   
    • 0 replies
    • 4k views

  25. 2012 no acceleration

    By Sparkgad,
    • 2 replies
    • 984 views

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