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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.

2,544 topics in this forum

  1. Fuel injector?

    By zac hale,
    • 5 replies
    • 568 views

  3. How to replace oil pump 6.2 L86

    By kgkern01,
    • 10 replies
    • 7.3k views

  4. Looking for recommendations and feedback for an l83 cam and tuner. Preferably remote if possible. NW IL

    By Alec Kerchner,
    • 0 replies
    • 333 views

  5. 2015 Sierra 6.2 has a new loud tick when warm

    By kojimep,
    • 11 replies
    • 3k views

  6. Tri-pot fuel pump problems?

    By mmrbad,
    • 1 reply
    • 353 views

  7. Jet performance MAF sensor

    By flyingfool,
    • 13 replies
    • 9.7k views

  8. Tuning for 6L80 Transmission and 5.3 Engine maximum longevity

    By Thomas Hill,
    • 8 replies
    • 3.5k views

  9. Fuel injector replacement 1 2 3

    By bronco351,
    • 39 replies
    • 64.4k views

  10. 2018 Silverado 5.3 with instant and violent stalls down the highway

    By DustinR18,   
    • 3 replies
    • 4.6k views

  11. 8 Speed Shudder.

    By e.p.,
    • 3 replies
    • 1.1k views

  12. Rear Differential Hum (doesn't know the words)

    By fastx021,
    • 2 replies
    • 530 views

  13. sure cool 6l80

    By plasteryou,
    • 5 replies
    • 1.1k views

  14. L96 questions 1 2

    By TheCaddyMan04,
    • 20 replies
    • 2.5k views

  15. Oil type for 2014 Sierra 5.3 1 2 3 4 8

    By Green 1364,
    • 113 replies
    • 82.5k views

  16. Looking for a shop around columbia / Sumter SC that does installs the actual AFM delete kits

    By boudan joe,
    • 4 replies
    • 613 views

  17. trans thermostat gaskets

    By plasteryou,
    • 2 replies
    • 538 views

  18. Transmission overheating 1 2 3

    By dsm1995gst,
    • 33 replies
    • 7.3k views

  19. Pcv push tab connections same from newest gen to last model?m

    By Patrick G,   
    • 0 replies
    • 387 views

  20. 2015 Sierra 6.2 DOD/AFM delete reliability?

    By kojimep,
    • 3 replies
    • 902 views

  21. Long-Term Torque Converter Replacement Feedback for M5U Transmissions

    By JoeT1224,
    • 0 replies
    • 616 views

  22. 5.3 fireing order

    By joshc64311,
    • 13 replies
    • 18k views

  23. Catch can lines were reversed for 100 miles?

    By Payton34,
    • 1 reply
    • 592 views

  24. should I turn off AFM again after new lifters installed

    By Payton34,
    • 2 replies
    • 959 views

  25. Raybestos Element3 hybrid brake pads, anyone have experience?

    By columrick,
    • 7 replies
    • 3.7k views

  26. Replacing HPFP, need help finding TDC

    By NC_87,
    • 3 replies
    • 1.8k views


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