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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. GM Performance Exhaust approved by wife 1 2

    By USCGRetiredJosh,
    • 17 replies
    • 7k views

  2. Gibson Cat Back 6.2L

    By RBowser,
    • 7 replies
    • 1.4k views

  3. MagnaFlow 19534 Exhaust

    By mrtizzom,
    • 2 replies
    • 2.1k views

  4. Towing MPG 1 2

    By BlancoSilverado,   
    • 24 replies
    • 32.5k views

  5. Fuel Filter Location

    By oilfieldtrash73,
    • 2 replies
    • 46k views

  6. Napa Gold / Wix 100255 1 2 3 4

    By EricTheRed,
    • 45 replies
    • 33.3k views

  7. 2.7 turbo 1 2

    By Deweth5,
    • 28 replies
    • 19.7k views

  8. Transmission Fluid Level Check on 2019 Silverado

    By oilfieldtrash73,
    • 2 replies
    • 52.7k views

  9. Flushing 8L90 8 speed transmission

    By MRP,
    • 9 replies
    • 42.8k views

  10. Rear and front axle service? 1 2

    By Adamace1,
    • 26 replies
    • 5k views

  11. Exhaust flapper vales 1 2

    By asalinasz39,
    • 19 replies
    • 56.2k views

  12. Why cant I find front axles?

    By Snakes709,
    • 11 replies
    • 2.7k views

  13. T1 6.2 Corsa Exhaust Review 1 2 3

    By BluegrassMotorsport,   
    • 34 replies
    • 22k views

  14. 2020 Silverado 3500 HD 6.6 gas w/6 speed transmission

    By WPS OFFICE,
    • 2 replies
    • 3.6k views

  15. Help me pick exhaust for cheap

    By Avery Dameron,
    • 12 replies
    • 2.1k views

  16. Long Distance Driving

    By Tuktuk,
    • 8 replies
    • 2k views

  17. 2021 Silverado Custom 2.7 Start Stop Lurch

    By Rob DiRienzo,
    • 6 replies
    • 2.9k views

  18. Dumb lifter question

    By 1500guy,
    • 8 replies
    • 2.4k views

  19. Cruise control issues and re gear

    By Unknown Traveler,
    • 2 replies
    • 2.7k views

  20. 2019 Silverado 1500 5.3 V8 - What size camper can I tow? 1 2

    By Bcoyle21,
    • 19 replies
    • 20.7k views

  21. Auto Stop/Start discontinued on most V8 / 10 speeds 1 2

    By redwngr,
    • 22 replies
    • 9.9k views

  22. 10 Speed HP rating

    By contenderv07,
    • 4 replies
    • 11.7k views

  23. New Range Pulsar 1 2 3 4 15

    By Jac365,
    • 217 replies
    • 73k views

  24. 10 speed service?

    By blazerk5drew,
    • 2 replies
    • 1.4k views

  25. 21 Trailboss 5.3 without AFM ok?

    By 21Satinboss,
    • 1 reply
    • 1.3k views
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