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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.

2,649 topics in this forum

  1. 6.6 Duramax Heating Core Leak

    By Cross1992,   
    • 3 replies
    • 762 views

  3. Transmission rebuild shops in the DFW metroplex?

    By Snowcamo,
    • 2 replies
    • 860 views

  4. 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
    • 686 views

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

    By Jon A,
    • 83 replies
    • 27.5k views

  6. Return of the Shudder 9

    By Bobschatter,
    • 4 replies
    • 1.7k views

  7. Catalytic Convertors 1 2

    By Victor Brown,
    • 19 replies
    • 2k views

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

    By The.Sundae.Drive,   
    • 15 replies
    • 75.1k views

  9. List of Transmission Tag IDs

    By deleted,
    • 2 replies
    • 5.4k views

  10. 6L80E Feels Like It’s Jumping Uphill

    By gJesus1911,
    • 13 replies
    • 3.2k views

  11. 2016 Silverado 5.3 oil change

    By David Mullins,   
    • 3 replies
    • 1.2k views

  12. Aftermarket Catalytic Converter

    By laminarflow,
    • 5 replies
    • 1.1k views

  13. I have a question about traction/stability control

    By bjamesW32,
    • 2 replies
    • 821 views

  14. Transmission Squawk

    By Jared91,
    • 5 replies
    • 2.5k views

  15. Any reprogramming after replacing battery?

    By poconojoe,
    • 3 replies
    • 834 views

  16. 2015 gmc 5.3 whine noise

    By SLO4.8,
    • 0 replies
    • 508 views

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

    By flyingfool,
    • 21 replies
    • 38.7k views

  18. ls3-2015 gmc sierra 1500

    By ppayne124,
    • 2 replies
    • 2.7k views

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

    By Rberry,
    • 4 replies
    • 1.3k views

  20. Missed Driveline Maintenance intervals

    By liftedstepside,
    • 0 replies
    • 661 views

  21. Cylinder Misfire

    By jwroch,   
    • 6 replies
    • 7.3k views

  22. K2XX 4x4 passenger's side front inner axle seal replacement procedure (better than GM's)

    By SinisterZ71,
    • 1 reply
    • 2.5k views

  23. Engine Harness

    By Willard Burnight,
    • 2 replies
    • 659 views

  24. New Trans,possible upgrade? - 2015 serria 1500 denial

    By Big T8993,
    • 2 replies
    • 1.2k views

  25. 2014 Silverado with 6.2 19,000 miles bottom end of engine exploded in 1 2 3 4 6

    By nomadicdogg,
    • 84 replies
    • 27.1k views

  26. Torque converter

    By Max Raper,
    • 14 replies
    • 7.6k views


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