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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. Unique Position to perform bulletproofing of 2012 5.3 Silverado 1 2 3

    By TheStug,   
    • 32 replies
    • 25.3k views

  2. Gmc Sierra 2009 Z71

    By Markus_Germany,   
    • 3 replies
    • 933 views

  3. 08 1500 rust problems

    By Rjb123,
    • 4 replies
    • 1.1k views

  4. P0332 P0327 Won't Go Away

    By aaron8301,
    • 14 replies
    • 112.3k views

  5. Baffling Problem - Engine Revs Truck Does't Move 1 2

    By Marleay,
    • 22 replies
    • 2.2k views

  6. Hood is crooked.

    By Jackson Herb,
    • 4 replies
    • 1.2k views

  7. LM7 runs rich/dies in extreme cold

    By Aaron Borman,
    • 1 reply
    • 711 views

  8. Pattern Check GM 10 bolt Yukon Gear

    By Josh Horton,
    • 0 replies
    • 721 views

  9. 2011 Chevrolet Suburban Computer Data Lines Circuit Schematic

    By Sam Robles,   
    • 0 replies
    • 1.9k views

  10. Help with ABS/BRAKE light following gear install in 2008 Silverado

    By dohcsvt,
    • 3 replies
    • 821 views

  11. Running rough

    By Joel godard,
    • 10 replies
    • 1.3k views

  12. Unicorn 2500 Chevy

    By Torso Jenkins,
    • 5 replies
    • 1.2k views

  13. Common lifter tick 2006 Silverado 5.3

    By ohhbilly,   
    • 2 replies
    • 11k views

  14. No crank no start isssue 09 chevy 1500 4.8l

    By Patrick517,
    • 3 replies
    • 952 views

  15. 08 suburban 6.0 bottom end tick/knock

    By Sobby09,
    • 14 replies
    • 2.5k views

  16. 4wheel drive problems

    By Yaggy97,
    • 1 reply
    • 792 views

  17. Encoder motor alignment

    By ajkg2016,
    • 1 reply
    • 4.1k views

  18. Rear main seal Qs

    By shakenfake,
    • 1 reply
    • 819 views

  19. 2010 Sierra. No 4x4 j no Iights on knob

    By JacobNya,
    • 0 replies
    • 548 views

  20. 2011 Silverado z71 Shudder/Shake

    By TheWaltWilson,
    • 0 replies
    • 1.3k views

  21. 2001 GMC Sierra 1500

    By A.moruzzi,
    • 3 replies
    • 790 views

  22. 6.2L Vortec fender emblem

    By Curtis Wack,
    • 1 reply
    • 673 views

  23. P0301 on 2011 GMC Sierra 5.3 annoying me

    By Lawman86,   
    • 2 replies
    • 4k views

  24. Best reman engine for ‘06 Silverado?

    By dawgvet,
    • 9 replies
    • 1.6k views

  25. P0050-00 wheel speed sensor circuit

    By Lawman86,
    • 2 replies
    • 1.6k views
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