Jump to content

Engines & Drivetrain (V8, Duramax, TurboMax)

Technical discussion for the 6.2L (L87), 5.3L (L84), 3.0L Duramax (LZ0/LM2), and 2.7L TurboMax. Tuning, maintenance, and 8-speed &10-speed transmission tech.

1,140 topics in this forum

  1. Why are 6.2L catbacks almost all 2.5" pipes and 5.3L almost all 3" pipes?

    By Jackseric,
    • 2 replies
    • 7k views

  2. 2020 3L check engine light P3196 1 2 3

    By ian cloutier,
    • 31 replies
    • 55.5k views

  3. Catch can LM2 3.0 Duramax

    By Billy Ogle,
    • 4 replies
    • 7.3k views

  4. 13.48 at 103 on the draggy 1 2

    By SILVER SLED,
    • 24 replies
    • 4.2k views

  5. Muffler Advice

    By Cody G,   
    • 8 replies
    • 6.5k views

  6. Fuel Injector Failed 2022 1500 Refresh Elevation 5.3 with DFM... 2.9K Miles and 2 months old.

    By mjkane1,
    • 2 replies
    • 2.6k views

  7. 3.0 Duramax - Regens, mileage, and the computer. Do I have a problem here?

    By redvettez06,
    • 14 replies
    • 19.5k views

  8. Pulsar LT to deactivate DFM and prevent lifter fail?

    By brewtus,
    • 9 replies
    • 10.7k views

  9. Wiring a light bar to the battery

    By None12,
    • 2 replies
    • 1.1k views

  10. 9.5” rear axle pinion spline diameter

    By DHBWA,
    • 0 replies
    • 616 views

  11. 3.0 Duramax with max towing package impact on fuel economy

    By Paul Beaudet,
    • 2 replies
    • 8.7k views

  12. Looking for advice on misfire codes while truck at dealer

    By JoJo1,
    • 5 replies
    • 1.6k views

  13. 3.0 Duramax 10 Speed Trans

    By Jaketab,
    • 2 replies
    • 5k views

  14. Rear pinion leak - Peened nut

    By DHBWA,
    • 2 replies
    • 1.8k views

  15. Has anyone else had these shifting problems? 2020 5.3 10 speed

    By mwlewis558,
    • 6 replies
    • 2.5k views

  16. 2019 Silverado 5.3 valve question

    By Randy Oreilly,
    • 3 replies
    • 2.3k views

  17. 6sp automatic 19 Silverado

    By Randy Oreilly,
    • 2 replies
    • 1.2k views

  18. 2019 5.3L Water Pump Replace or Inspect?

    By lerbud,
    • 1 reply
    • 2.8k views

  19. 2021 lifter failure - post mortem 1 2

    By Nomad24,
    • 16 replies
    • 8k views

  20. What Transmission fluid to put in 2019 new body style

    By Mattuz93,
    • 10 replies
    • 29.4k views

  21. Trail Boss Rims

    By Madcow68,
    • 10 replies
    • 2.5k views

  22. spark plugs - torque

    By Frank Schmidt,
    • 5 replies
    • 20.8k views

  23. Need help. 3.0L diesel multiple (and major) warranty issues - engine and turbo(s) 1 2

    By James Eberhart,
    • 19 replies
    • 10.5k views

  24. Speed limiter 98mph?? 1 2

    By dan61psu,
    • 23 replies
    • 37.9k views

  25. Ride quality Denali vs. SLT

    By Eric1,
    • 6 replies
    • 18.7k views
×
×
  • Create New...