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. Horrible gas milage 1 2

    By Asd A,
    • 24 replies
    • 3.3k views

  2. 2020 Denali w/Max Trailering Package (NHT)

    By TXS Heat,
    • 7 replies
    • 3.9k views

  3. Muffler inlet and outlet size

    By John.1142,
    • 5 replies
    • 15k views

  4. GM Performance Air Intake 1 2

    By JAshworth03,
    • 22 replies
    • 4.9k views

  5. Call me crazy....

    By Method2Madness,
    • 6 replies
    • 1.1k views

  6. GM Performance Exhaust Install Options

    By JAshworth03,
    • 9 replies
    • 10.3k views

  7. 3.0 Fuel Tank Size?

    By bullet225ho,
    • 5 replies
    • 12.3k views

  8. AFE Exhaust Review 6.2L

    By clowe1243,
    • 5 replies
    • 5.5k views

  9. Serpentine Belt on 1500

    By rosepaule,
    • 0 replies
    • 5.4k views

  10. 2020 trail boss Engine/ gear ratio

    By Bryanhutchinson,
    • 2 replies
    • 16.7k views

  11. Carven TR installed

    By 19AT4,
    • 4 replies
    • 2.7k views

  12. 2019 High Country Suspension Settings

    By Fast325it,
    • 1 reply
    • 2.8k views

  13. credits

    By wizard4878,
    • 4 replies
    • 726 views

  14. Black Friday - Shopping For Exhaust

    By SamDSJR,
    • 2 replies
    • 761 views

  15. Are the New Silverados better Quality?

    By wmgeorge64,
    • 4 replies
    • 1.8k views

  16. Decel vibration

    By Randy Taylor,   
    • 5 replies
    • 4.7k views

  17. Muffler Question

    By The Tos,
    • 3 replies
    • 1k views

  18. 2020 Silverado 2.7 transmission temperature

    By Rob Wagner,
    • 6 replies
    • 17k views

  19. Borla Type-S installed - AT4 6.2 - Video/sound included

    By PabloK,   
    • 7 replies
    • 6.8k views

  20. Is the factory CAI louder than the standard airbox?

    By RaisedByWolves,
    • 6 replies
    • 1.1k views

  21. 2020 5.3 4x4 with 10 spd MPG

    By Z71RAD88,
    • 7 replies
    • 1.9k views

  22. 2019 Sierra SLT How to Turn Off Grade Braking in Normal Mode

    By dcast,
    • 3 replies
    • 869 views

  23. Rattle in 5.3 engine at cold start up

    By bulldog77,
    • 2 replies
    • 11.3k views

  24. Engine/Trans noise low RPM?

    By Sizemore,
    • 5 replies
    • 4.9k views

  25. Wheel nut torque setting

    By 2019silverado,
    • 7 replies
    • 159.3k views
×
×
  • Create New...