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2014-2019 Engine, Driveline, & Exhaust

Technical Discussion surrounding the 5th generation of small block engines, driveline, 6/8/10 speed transmissions, and slew of factory and performance exhausts.
Includes direct injection, active fuel management, and the EcoTec3 4.3L V6 (LV3), 5.3L V8 (L83), 6.2L V8 (L86), and LB8 eAssist gas engines.

2,612 topics in this forum

  1. Rear axle shaft bearing

    By movario,
    • 3 replies
    • 1.9k views

  3. Catch Can results

    By martin31636,
    • 3 replies
    • 954 views

  4. L83 SWAP TO L86 Anyone done it? 1 2 3

    By Norcent,
    • 32 replies
    • 15.6k views

  5. Engine light + 14 new codes after full 6L80 rebuild - 2017 Silverado 1500 Z71

    By AFournier,
    • 4 replies
    • 947 views

  6. 6.6 Duramax Heating Core Leak

    By Cross1992,   
    • 3 replies
    • 616 views

  7. Transmission rebuild shops in the DFW metroplex?

    By Snowcamo,
    • 2 replies
    • 787 views

  8. 2016 slip yoke seal and bushing keep coming out, I already changed up the output shaft housing and I’m on my 3rd seal getting popped out

    By MAC16,
    • 10 replies
    • 470 views

  9. Cooling System Towing Test Results, Before/After Mods 1 2 3 4 6

    By Jon A,
    • 83 replies
    • 25.8k views

  10. Return of the Shudder 9

    By Bobschatter,
    • 4 replies
    • 1.5k views

  11. Catalytic Convertors 1 2

    By Victor Brown,
    • 19 replies
    • 1.8k views

  12. The Ultimate Guide To DOD / AFM Delete 1 2

    By The.Sundae.Drive,   
    • 15 replies
    • 57.3k views

  13. List of Transmission Tag IDs

    By deleted,
    • 2 replies
    • 3.7k views

  14. 6L80E Feels Like It’s Jumping Uphill

    By gJesus1911,
    • 13 replies
    • 2.3k views

  15. 2016 Silverado 5.3 oil change

    By David Mullins,   
    • 3 replies
    • 1k views

  16. Aftermarket Catalytic Converter

    By laminarflow,
    • 5 replies
    • 999 views

  17. I have a question about traction/stability control

    By bjamesW32,
    • 2 replies
    • 720 views

  18. Humming upon Acceleration 2014 Sierra

    By Dennis77,
    • 8 replies
    • 7.6k views

  19. Transmission Squawk

    By Jared91,
    • 5 replies
    • 2k views

  20. Any reprogramming after replacing battery?

    By poconojoe,
    • 3 replies
    • 690 views

  21. 2015 gmc 5.3 whine noise

    By SLO4.8,
    • 0 replies
    • 456 views

  22. Swapping in 6.2L throttle body on 5.3L motor 1 2

    By flyingfool,
    • 21 replies
    • 34.4k views

  23. ls3-2015 gmc sierra 1500

    By ppayne124,
    • 2 replies
    • 1.7k views

  24. Chirping/Ticking noise from exhaust on 2018 Sierra 1500

    By Rberry,
    • 4 replies
    • 930 views

  25. Missed Driveline Maintenance intervals

    By liftedstepside,
    • 0 replies
    • 617 views

  26. Cylinder Misfire

    By jwroch,   
    • 6 replies
    • 4.3k views


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