Engines & Drivetrain (V8, Duramax, TurboMax)

1,140 topics in this forum

1. Fluid change

   By Zacfrd, June 15, 2022
   • 7 replies
   • 6k views
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   • Black02Silverado
   • June 16, 2022

2. 2022 ZR2 Silverado GMPP Borla S-type exhaust

   By Firehawk99, June 4, 2022
   • 5 replies
   • 3.8k views
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   • Firehawk99
   • June 10, 2022

3. Installed PPE Intercooler pipes and Resonator delete on my 22 refresh 3.0 Duramax

   By DemonWorks, May 31, 2022
   • 6 replies
   • 11.9k views
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   • TNTSierra
   • June 9, 2022

4. Improved Turning Radius?

   By Street Queen, June 7, 2022
   • 3 replies
   • 2.7k views
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   • ThePearl
   • June 7, 2022

5. L86 - 6.2L Intake manifold installed on 2019 Silverado with L84 5.3 1 2

   By DemonWorks, August 5, 2019
   • 20 replies
   • 32.9k views
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   • The.Sundae.Drive
   • June 7, 2022

6. Wide open throttle injectors ?

   By Deadstockpomp, June 6, 2022
   • 0 replies
   • 707 views
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   • Deadstockpomp
   • June 6, 2022

7. 2020 1500 LT stamped "LD" on the windshield cowl

   By None12, May 27, 2022
   • 2 replies
   • 1.1k views
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   • Dirk13
   • May 27, 2022

8. Cylinder washing

   By Catch1177, May 18, 2022
   • 3 replies
   • 1.4k views
   • 
   • Gangly
   • May 23, 2022

9. Oem exhaust tip 84722771

   By Maurice Jaramillo, May 19, 2022
   • 3 replies
   • 3.5k views
   • 
   • Maurice Jaramillo
   • May 20, 2022

10. Anyone get oil cooler lines replaced before they leaked or blew off?

    By Radchad, February 5, 2022
    • 3 replies
    • 2.2k views
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    • 175vTrailbossLT
    • May 18, 2022

11. 6.2L engine with lifter noise, but no error codes

    By 6kjt5, May 2, 2022
    • 9 replies
    • 21.5k views
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    • Snakes709
    • May 18, 2022

12. Anyone want a FREE Brand New Borla Touring Dual Exhaust? (GONE)

    By Steven Vona, May 14, 2022
    • 6 replies
    • 1.7k views
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    • BlancoSilverado
    • May 14, 2022

13. Schaeffer's oil 1 2

    By Big_Kahuna, May 8, 2022
    • 15 replies
    • 6.5k views
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    • Dejadoo
    • May 11, 2022

14. 2019 silverado high country, early morning transmission jerky

    By 2019 silverado high countr, October 15, 2021
    • 3 replies
    • 2.2k views
    • 
    • mandrewbot3k
    • May 4, 2022

15. Another 2021 Sierra lifter failure help needed 1 2

    By JayinNH, April 18, 2022
    • 18 replies
    • 8.6k views
    • 
    • Adamace1
    • May 3, 2022

16. 2019 RST cylinder misfire

    By Jimmyc2k2, May 2, 2022
    • 5 replies
    • 6.5k views
    • 
    • Jimmyc2k2
    • May 2, 2022

17. 2” straight pipe

    By Avery Dameron, April 27, 2022
    • 4 replies
    • 1.5k views
    • 
    • Grover67
    • April 28, 2022

18. 5.3L Serpentine Belt Dust Residue - How Much Is Normal?

    By Anacortes Army Guy, April 21, 2022
    • 1 reply
    • 1.7k views
    • 
    • voided3
    • April 27, 2022

19. Duel mode exhaust

    By Ernest Crist, April 21, 2022
    • 1 reply
    • 933 views
    • 
    • Byrds8
    • April 25, 2022

20. Exhaust tip replacement

    By Anon12345, April 18, 2022
    • 7 replies
    • 3.7k views
    • 
    • TNTSierra
    • April 19, 2022

21. Truck felt slower after exhaust mod, so I tried out my new dragy…

    By SILVER SLED, April 17, 2022
    • 10 replies
    • 3.4k views
    • 
    • SILVER SLED
    • April 18, 2022

22. 3.0 Duramax in Extreme Cold

    By [email protected], March 4, 2022
    • 3 replies
    • 5.7k views
    • 
    • YZ-Dave
    • April 15, 2022

23. Range D.F.M. disabler 1 2 3

    By Jac365, May 5, 2020
    • 39 replies
    • 30.3k views
    • 
    • ESierra
    • April 13, 2022

24. Dreaded Lifter Failure in 2021 GMC Sierra 1500 1 2 3

    By Nick Reynolds, February 8, 2022
    • 41 replies
    • 42.5k views
    • 
    • Dirk Dingle Berry
    • April 13, 2022

25. Throaty exhaust...2020 Sierra 1500 6.2 Denali

    By Woodchopper, April 10, 2022   

    • 2020 Sierra 1500 6.2 Denali
    • 3 replies
    • 1.7k views
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    • TxTruckMan
    • April 12, 2022