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Engines & Drivetrain

Tech for the 5.3L (L83), 6.2L (L86), and 4.3L V6. Tuning and 6L80 / 8L90 transmission support.

2,739 topics in this forum

  1. LS Engine swap into GM 2014-2018 1500 Truck 1 2 3

    By ChevyRoofer,   
    • 30 replies
    • 90.7k views

  2. Engine swap v6 to v8

    By Andy_760,
    • 3 replies
    • 11k views

  3. 2016 Silverado intake manifold.

    By a2z.rayw,
    • 10 replies
    • 1.8k views

  4. 2015 1500 50k mile service 1 2

    By hondarider94,
    • 28 replies
    • 3.6k views

  5. Leaf Spring Bolt Torque 2015 Silverado 1500 5.3

    By jackgraves,
    • 5 replies
    • 9.5k views

  6. 2Piece Driveshaft Swap Guys

    By DenisTheMenace,
    • 1 reply
    • 811 views

  7. TruXP Programmer

    By jakobkindt,
    • 2 replies
    • 1k views

  8. 5.3 Exhaust Suggestions 1 2

    By Rally_18,
    • 23 replies
    • 3.6k views

  9. Edelbrock Supercharger on 5.3

    By glairbear,   
    • 10 replies
    • 4.6k views

  10. 5.3L (L83) Dyno Results

    By btj_z71,   
    • 1 reply
    • 5.8k views

  11. 17-18 Sierra 6.2 Denali Cutout

    By CodyB,   
    • 2 replies
    • 5.1k views

  12. True duel sound

    By smakki813,
    • 14 replies
    • 1.6k views

  13. Blackbear tune on a 2014 5.3 / 3.42 to improve towing performance. 1 2

    By VMaxtastic,
    • 20 replies
    • 15.7k views

  14. Cold Air Inductions (First Impression) 1 2 3

    By M1ck3y,
    • 30 replies
    • 5.1k views

  15. On 3 Performance Turbo Kit?!

    By Meethead,
    • 10 replies
    • 16.6k views

  16. Active Exhaust for GM trucks? (like the Camaro & Corvette has) 1 2

    By 5.3Avalanche,
    • 16 replies
    • 17k views

  17. Reviews of 6.2 Maxtow towing 10k

    By avalonandl,
    • 9 replies
    • 3.2k views

  18. GMPP Borla Pipe Size

    By WS6FirebirdTA00,
    • 2 replies
    • 616 views

  19. 8 speed issue 1 2

    By Crimson6.2L,
    • 23 replies
    • 15.3k views

  20. LT and ORY with Stock Exhaust on 6.2

    By J_Mas6.2,
    • 2 replies
    • 970 views

  21. Silverado 2014+ Looking for quietest performance exhaust mod? 1 2 3

    By mattpest,
    • 40 replies
    • 19k views

  22. Issues with Diablo Sport Tuner 1 2

    By Bbowen826,
    • 15 replies
    • 16.9k views

  23. Carven Progressive Series kit

    By Piggywutz,
    • 14 replies
    • 7.1k views

  24. Polyurethane transmission mount?

    By Spastik Monkey,
    • 1 reply
    • 2.3k views

  25. Noise in steering column

    By JakeDenni,
    • 13 replies
    • 1.5k views
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