Engines & Drivetrain (V8, Duramax, TurboMax)

1,140 topics in this forum

1. 2022 Major upgrade to L3B 2.7L turbo motor (420lb torque)

   By ver, September 17, 2021
   • 4 replies
   • 14.3k views
   • 
   • redwngr
   • September 19, 2021

2. 4.3L Turbo

   By Chad Holmes, September 13, 2021
   • 5 replies
   • 1.4k views
   • 
   • davidr83
   • September 15, 2021

3. Hay Hauling

   By Qwerty143, August 24, 2021
   • 6 replies
   • 1.5k views
   • 
   • Black02Silverado
   • September 15, 2021

4. First time towing in the 3.0 Duramax - DEF usage? 1 2

   By DemonWorks, October 3, 2020
   • 23 replies
   • 19k views
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   • Rvfool
   • September 11, 2021

5. Fuel supplier for Randalls/Albertsons/Tom Thumb grocery stores in Texas??

   By camjr, August 20, 2021
   • 13 replies
   • 7.5k views
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   • KARNUT
   • September 11, 2021

6. 3.0 DURAMAX OIL CONSUMPTION

   By terry yonts, September 3, 2021
   • 5 replies
   • 13.4k views
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   • Grumpy Bear
   • September 10, 2021

7. Engine Knock (not tick but also had the tick) 3000 miles

   By 1500guy, July 9, 2021
   • 2 replies
   • 1.1k views
   • 
   • ram1067
   • September 10, 2021

8. Cell tower interference with TPMS

   By ErnieO, August 13, 2021
   • 3 replies
   • 1.2k views
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   • PandonSF
   • September 9, 2021

9. 2020 rst 6.2 muffler replacement is loud in cab

   By Musskirk6.2, August 24, 2021
   • 3 replies
   • 1.4k views
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   • TNTSierra
   • September 7, 2021

10. Seriously- borla muffler/other mods versus entire cat back 1 2

    By RPaul, August 17, 2021
    • 24 replies
    • 9.5k views
    • 
    • Firehawk99
    • August 31, 2021

11. How do you know if DFM is working? 1 2

    By Phoneline99, August 15, 2019
    • 27 replies
    • 34.1k views
    • 
    • Adamace1
    • August 30, 2021

12. BORLA Exhaust for the 2019+ Silverado/Sierra 1500 1 2 3 4 16

    By ian@borla, October 24, 2018
    • 230 replies
    • 81.1k views
    • 
    • Klutch
    • August 28, 2021

13. 2021 Silverado custom 2.7 ticking

    By spacey, August 26, 2021
    • 1 reply
    • 9.2k views
    • 
    • Acpantera
    • August 26, 2021

14. Factory Crossover Restriction

    By dennisfly, August 22, 2021
    • 3 replies
    • 1.3k views
    • 
    • dennisfly
    • August 23, 2021

15. 3.0L Duramax - who owns or has driven one 1 2 3 4 40

    By redwngr, September 2, 2019
    • 596 replies
    • 353.2k views
    • 
    • mark1968
    • August 23, 2021

16. Using range on 21 5.3 6 speed

    By Josh42089, May 3, 2021
    • 3 replies
    • 1.7k views
    • 
    • ls5454ss
    • August 22, 2021

17. Shifting issues

    By NDIinspector, July 16, 2021
    • 2 replies
    • 1.6k views
    • 
    • Chevrolet1
    • August 22, 2021

18. Highest 3.0 Duramax odometer 1 2 3

    By Z71RAD88, August 5, 2020
    • 39 replies
    • 31.6k views
    • 
    • Pyroman_28
    • August 22, 2021

19. 3.0L Oil Filters???

    By TheRealZatarra, August 20, 2021
    • 8 replies
    • 18.5k views
    • 
    • Grumpy Bear
    • August 22, 2021

20. 3.0 Duramax City/daily driver 1 2

    By Truckin310, November 11, 2020
    • 15 replies
    • 28.2k views
    • 
    • HELPPLEASE
    • August 18, 2021

21. Not another catch can debate 1 2

    By SquireSCA, December 16, 2019
    • 20 replies
    • 8k views
    • 
    • davidr83
    • August 18, 2021

22. PF 63 vs PF 63e oil filter

    By ErnieO, August 11, 2021
    • 11 replies
    • 20.3k views
    • 
    • Grumpy Bear
    • August 18, 2021

23. 5.3 vs 6.2 1 2

    By 81mmcat, July 17, 2021
    • 25 replies
    • 7.9k views
    • 
    • SILVER SLED
    • August 16, 2021

24. Exhaust Research

    By vancealot29, August 11, 2021
    • 11 replies
    • 1.7k views
    • 
    • Firehawk99
    • August 16, 2021

25. 2020 Chevy RST 6.2L Muffler/Flappers deleted and my experience

    By bbmxta, July 30, 2021
    • 9 replies
    • 5.5k views
    • 
    • AJMBLAZER
    • August 15, 2021