Engines & Drivetrain

2,739 topics in this forum

1. Borla catback 1 2 3

   By Bigfoot16, March 1, 2016
   • 37 replies
   • 10.1k views
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   • SStreet King
   • June 24, 2016

2. 2014+ Borla GMPP muffler

   By cbrsilv15, May 30, 2016
   • 13 replies
   • 3.3k views
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   • cbrsilv15
   • June 23, 2016

3. 3.42 to 3.73

   By Johndevil, June 16, 2016
   • 10 replies
   • 2.1k views
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   • mookdoc6
   • June 22, 2016

4. 4.3 tune/gas octane

   By MD Chevy, May 24, 2014
   • 11 replies
   • 4.4k views
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   • fondupot
   • June 21, 2016

5. Header Swap

   By khshockey44, June 2, 2016
   • 4 replies
   • 1.7k views
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   • 07Softail
   • June 15, 2016

6. Max Shift Point (RPM) for Each Gear WOT - 2016 6.2L 8 speed?

   By GMC_SD_Ult_16, May 30, 2016
   • 10 replies
   • 10.9k views
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   • redwngr
   • June 13, 2016

7. Engine Knock?

   By Tim99GT, May 29, 2016
   • 2 replies
   • 1.5k views
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   • HondaHawkGT
   • June 10, 2016

8. Can I run E85? 1 2

   By Exhausted, May 13, 2016
   • 16 replies
   • 3.5k views
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   • Black02Silverado
   • June 4, 2016

9. Transmission might be toast. 1 2 3

   By 11bDad, April 24, 2016
   • 36 replies
   • 9k views
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   • 11bDad
   • May 31, 2016

10. L86 6.2L V8 - Specs and Info

    By markpetersonii, February 7, 2014
    • 9 replies
    • 22.9k views
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    • Snoringbear
    • May 30, 2016

11. Took my truck down the 1/4 mile

    By thetruck454, May 12, 2016
    • 13 replies
    • 5.6k views
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    • redhot1.4
    • May 29, 2016

12. Gibson Exhaust still leaking!!!!???? 1 2 3

    By GMC207, April 6, 2016
    • 36 replies
    • 8.7k views
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    • tainoxl
    • May 29, 2016

13. 2016 6.2 muffler, in/out

    By nbflanagan, May 19, 2016
    • 6 replies
    • 1.9k views
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    • Badass69
    • May 27, 2016

14. Reasons to go 10,000 miles on Oil? 1 2

    By mookdoc6, May 8, 2016
    • 25 replies
    • 9.4k views
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    • JRL1164
    • May 25, 2016

15. Transmission Shifting Question

    By rzpalm, May 23, 2016
    • 2 replies
    • 1.7k views
    • 
    • rzpalm
    • May 23, 2016

16. Another Great catch can option 1 2

    By Rkaroll953, May 9, 2016
    • 21 replies
    • 4.2k views
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    • 20L8TSierra24
    • May 20, 2016

17. GM 2014 SIlverado 6.2L Cracked Push Rod - Help needed 1 2 3

    By davidncurtis, March 10, 2016
    • 38 replies
    • 13.1k views
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    • Madcow2020
    • May 19, 2016

18. 5.3 magnasun anyone? 1 2 3 4 9

    By quickvert1, March 6, 2014
    • 127 replies
    • 18.9k views
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    • 07Softail
    • May 18, 2016

19. Whipple or Magnusson supercharger for SierraDenali 6.2? 1 2 3 4 5

    By toro1966, January 2, 2016
    • 73 replies
    • 66.9k views
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    • Maine-iac
    • May 18, 2016

20. Manual/Standard transmission on Sierra/Silverado 1 2

    By Donstar, May 8, 2016
    • 26 replies
    • 3.6k views
    • 
    • Donstar
    • May 17, 2016

21. Magnaflow 15318

    By AaronIROCZ, May 15, 2016
    • 0 replies
    • 1.3k views
    • 
    • AaronIROCZ
    • May 15, 2016

22. 6.2 popping on cold starts

    By country_09, March 13, 2016
    • 8 replies
    • 5.8k views
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    • country_09
    • May 15, 2016

23. 5yr/60k warranty...why the drop 1 2

    By cssnider1, May 11, 2016
    • 15 replies
    • 3k views
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    • 1300c
    • May 13, 2016

24. 6-sp auto trans w/tune or 8sp auto?

    By 1BlinkGone, May 7, 2016
    • 7 replies
    • 2.3k views
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    • mookdoc6
    • May 9, 2016

25. Carven with the flapper valve

    By AZ_SS, May 5, 2016
    • 9 replies
    • 2.2k views
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    • BigBlueLB756
    • May 9, 2016