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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. Flowmaster 40 Series vs. Super 44 (interior resonance)

    By Lsxtrucker,
    • 7 replies
    • 13.3k views

  2. 2006 5.3 swap to 2007 Tahoe 5.3 using 2006 ECM, motor and trans wire harness. has anybody done a swap like this and did it work?

    By Mrfixet,
    • 1 reply
    • 1.6k views

  3. 4.3-5.3 swap

    By sr53,
    • 1 reply
    • 1.6k views

  4. Battery cable for driver side mounted battery to starter

    By TravisLBlair12345,
    • 0 replies
    • 1k views

  5. Tech2 clones 1 2

    By chris allen,
    • 16 replies
    • 10.8k views

  6. Can't do gear swap?

    By USMC82,
    • 1 reply
    • 1.3k views

  7. 4x4 binding

    By jomac0321,
    • 0 replies
    • 1.1k views

  8. Low Oil Pressure on Gauge

    By Ribalfire,
    • 4 replies
    • 1.4k views

  9. Will 03 Tahoe 4x4 4l60e work in 01 Tahoe 4x4

    By Tristen krannichfeld,
    • 1 reply
    • 905 views

  10. Gmc Sierra Radio problems

    By kaleperk,
    • 1 reply
    • 1.2k views

  11. Tcase help auto is 4h?

    By allripnodip,
    • 1 reply
    • 981 views

  12. 07 Silverado 6.2 swap

    By Tyson311,
    • 4 replies
    • 3.7k views

  13. Ls2 06 Silverado LT

    By BLUNTEFX,   
    • 0 replies
    • 1.2k views

  14. Ls2 06 Silverado LT

    By BLUNTEFX,   
    • 0 replies
    • 1.1k views

  15. Can you replace a gen 4 5.3l with a gen 3 5.3l

    By Cryptolazer,
    • 2 replies
    • 7.8k views

  16. 2001 Silverado 4.8 LS - Multiple Codes, Throttle Body Failure?

    By TheGreenHulk,
    • 0 replies
    • 1.1k views

  17. New fuel pump noise

    By Chevyguy11,
    • 0 replies
    • 996 views

  18. 2013 GMC Sierra 1500 EVAP codes P0449 and P0219A

    By Mflow Moo,
    • 3 replies
    • 1.3k views

  19. Camshaft Replace Or Engine Replace??

    By William Spencer,
    • 4 replies
    • 4.3k views

  20. 2006 1/2 ton 4x4 front CV joints

    By 06pirate,
    • 2 replies
    • 973 views

  21. Power Chip

    By Dog Man 69,   
    • 1 reply
    • 916 views

  22. 02 Silverado to much fuel pressure 1 2

    By Edward85,
    • 16 replies
    • 5.2k views

  23. New Chevy owner here, need help with my 5.3 Vortec.

    By dylan.ekans,
    • 1 reply
    • 1.2k views

  24. No start after Dash Repair

    By erikwink6,
    • 13 replies
    • 2k views

  25. tuning bin files

    By Rogerod,
    • 1 reply
    • 1.6k views
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