Jump to content

Engines & Drivetrain

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

2,727 topics in this forum

  1. 2015 5.3L 3.42 Axle Ratio; Travel Trailer Max Tow Weight? 1 2

    By EddieK82,
    • 15 replies
    • 13.9k views

  2. Procharger Install on 2018 6.2L 1 2 3

    By JDNairn6.2L,
    • 33 replies
    • 10.9k views

  3. 2019 Silverado trans fittings

    By Mel Rich,
    • 1 reply
    • 425 views

  4. Pedal Commander worth it? 1 2

    By Crimson6.2L,
    • 17 replies
    • 40.1k views

  5. Engine Air Leak from PCV Tube

    By Retired Bob,
    • 1 reply
    • 3.4k views

  6. Question about pickup I just purchased

    By Jjstandardz,
    • 12 replies
    • 1k views

  7. Lunchbox locker for SIlverado

    By flyingfool,
    • 1 reply
    • 820 views

  8. 10 Speed Auto Question

    By Glava2876,
    • 2 replies
    • 576 views

  9. Magnaflow 18 vs 22: difference in sound?

    By Omarios,   
    • 1 reply
    • 4.4k views

  10. Speed engineering cat less ypipe fitment to corsa catback

    By Chris0977,
    • 7 replies
    • 2.5k views

  11. Flow master super 10 and resonator delete. Truck is still quiet

    By 5.3silverado,
    • 3 replies
    • 6.6k views

  12. new Leaf spring update. part number?

    By flyingfool,
    • 7 replies
    • 776 views

  13. Need Help Interpreting Dyno Results on 5.3 with 6L80 1 2

    By The.Sundae.Drive,   
    • 23 replies
    • 6.4k views

  14. Performance upgrades for towing 2018 6.2 1 2

    By dco111,
    • 19 replies
    • 12.9k views

  15. Stock Exhaust Diameter? 1 2

    By Bill791,
    • 17 replies
    • 40.1k views

  16. OEM 5.3 muffler size?

    By badfnz,
    • 6 replies
    • 100k views

  17. How to remove zerks? 1 2

    By MRSUIT,
    • 15 replies
    • 1.6k views

  18. Hard Downshifts - Is This Normal?

    By jerkyboy,
    • 6 replies
    • 802 views

  19. upgrading CAI 1 2

    By flyingfool,
    • 15 replies
    • 4.6k views

  20. Idle adjustment 5.3

    By bulldog77,
    • 5 replies
    • 24.8k views

  21. Rattle in 5.3 engine at cold start up

    By bulldog77,
    • 4 replies
    • 1.2k views

  22. Why Won’t Corsa Do This Blows My Mind 1 2

    By Omarios,
    • 16 replies
    • 1.7k views

  23. 2017 Transmission Issues 1 2

    By RyGuyFD,
    • 18 replies
    • 30.4k views

  24. 8 Speed hard 1-2 shift & Shudder TSB fix

    By Havasubum,
    • 12 replies
    • 23.4k views

  25. Straight pipe with 3rd catalytic converter delete. LOSS IN MPG 1 2

    By Thuggins,   
    • 15 replies
    • 34.1k views
×
×
  • Create New...