Engines & Drivetrain

2,730 topics in this forum

1. L86 6.2L V8 - Specs and Info

   By markpetersonii, February 7, 2014
   • 9 replies
   • 22.7k views
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   • Snoringbear
   • May 30, 2016

2. 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

3. 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

4. 2016 6.2 muffler, in/out

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

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

   By mookdoc6, May 8, 2016
   • 25 replies
   • 9.3k views
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   • JRL1164
   • May 25, 2016

6. Transmission Shifting Question

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

7. 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

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

   By davidncurtis, March 10, 2016
   • 38 replies
   • 13k views
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   • Madcow2020
   • May 19, 2016

9. 5.3 magnasun anyone? 1 2 3 4 9

   By quickvert1, March 6, 2014
   • 127 replies
   • 18.7k views
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   • 07Softail
   • May 18, 2016

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

    By toro1966, January 2, 2016
    • 73 replies
    • 66.6k views
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    • Maine-iac
    • May 18, 2016

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

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

12. Magnaflow 15318

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

13. 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

14. 5yr/60k warranty...why the drop 1 2

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

15. 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

16. Carven with the flapper valve

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

17. 2015 Denali cluster temp gauge inaccurate?

    By Denali62, May 4, 2016
    • 14 replies
    • 2k views
    • 
    • Jon A
    • May 6, 2016

18. Seafoam caused CEL?? 1 2

    By Back in a Bowtie, April 23, 2016
    • 27 replies
    • 13k views
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    • TJay74
    • May 5, 2016

19. Borla Dual Exhaust Installed

    By Tong Lu, February 1, 2016
    • 14 replies
    • 3.4k views
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    • Rock1500
    • May 5, 2016

20. Suggestions For Muffler Trial 1 2 3 4 5

    By ProModMike, December 29, 2015
    • 73 replies
    • 9.9k views
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    • hodges25
    • May 3, 2016

21. Any Performance or MPG Improvement with Flowmaster 817666 system?

    By TedH, May 1, 2016
    • 3 replies
    • 1.5k views
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    • fondupot
    • May 3, 2016

22. Muffler swap vs cat back?

    By DPetry94, January 1, 2016
    • 7 replies
    • 5.8k views
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    • Rkaroll953
    • May 2, 2016

23. Towing trailer with RZR

    By Kokanee kid, April 30, 2016
    • 4 replies
    • 2.3k views
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    • Tattooo
    • April 30, 2016

24. Valved Exhaust

    By chrislim, April 29, 2016
    • 6 replies
    • 1.6k views
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    • jamesonjc
    • April 29, 2016

25. Wanted to Share my Exhaust Experience 1 2

    By Rkaroll953, April 18, 2016
    • 16 replies
    • 4.6k views
    • 
    • Rkaroll953
    • April 29, 2016