Engines & Drivetrain

2,741 topics in this forum

1. Stuck in 4 Hi

   By vettedreamer, January 5, 2015
   • 3 replies
   • 1.5k views
   • 
   • Brian S.
   • January 8, 2015

2. Airaid question

   By Back in a Bowtie, December 30, 2014
   • 6 replies
   • 1.6k views
   • 
   • Gmc-dude
   • January 4, 2015

3. Need Rear Diff Cover Bolt Torque

   By FL335i, December 21, 2014
   • 1 reply
   • 1.2k views
   • 
   • FL335i
   • January 1, 2015

4. Airaid MIT for 6.2

   By GTD, December 21, 2014
   • 14 replies
   • 3.2k views
   • 
   • desert
   • December 25, 2014

5. Airaid part numbers 2015 6.2L

   By Gunner99, December 24, 2014
   • 2 replies
   • 1.2k views
   • 
   • Gunner99
   • December 24, 2014

6. best hand tuner 1 2 3

   By cbprov, September 3, 2014
   • 43 replies
   • 9k views
   • 
   • ryandemo84
   • December 24, 2014

7. Any way to modify initial throttle response? 1 2 3

   By chelmer, January 31, 2014
   • 43 replies
   • 60.4k views
   • 
   • FL335i
   • December 20, 2014

8. 2014/15 2500HD 6L Exhaust System

   By GTD, December 17, 2014
   • 4 replies
   • 1.2k views
   • 
   • redwngr
   • December 18, 2014

9. 2014 5.3 headers?

   By Mekanik, October 15, 2014
   • 10 replies
   • 16.2k views
   • 
   • 2014MallCrawler
   • December 15, 2014

10. Christmas came a little early for me

    By gary03l, December 7, 2014
    • 12 replies
    • 2.2k views
    • 
    • Gmcant33
    • December 13, 2014

11. Looks Like Diablo is looking for a Test 4.3 Engine

    By obrien19, December 9, 2014
    • 0 replies
    • 967 views
    • 
    • obrien19
    • December 9, 2014

12. 2014 Sierra/silverado 5.3 3rd cat delete?

    By HighCountry91, December 5, 2014
    • 1 reply
    • 9.4k views
    • 
    • 2014MallCrawler
    • December 9, 2014

13. rev limiter/delayed shift

    By calgator73, November 3, 2014
    • 11 replies
    • 5.3k views
    • 
    • calgator73
    • December 7, 2014

14. spark plug gap on K2 trucks 1 2

    By fondupot, October 25, 2014
    • 15 replies
    • 10.5k views
    • 
    • SouthernSilveradoGuy85
    • December 4, 2014

15. Muffler delete effect on emissions testing

    By TopazBlue6.2, November 25, 2014
    • 13 replies
    • 25.5k views
    • 
    • Colossus
    • November 28, 2014

16. Swapping to 6.2 w/ 8speed after warranty 1 2

    By henrypbui, November 22, 2014
    • 17 replies
    • 8.8k views
    • 
    • redwngr
    • November 26, 2014

17. Looking to get a magnaflow and dump it, need some opinions

    By Tmatt1990, November 25, 2014
    • 8 replies
    • 1.5k views
    • 
    • Tmatt1990
    • November 26, 2014

18. Volant cold air intake

    By Braaap60, November 21, 2014
    • 9 replies
    • 2k views
    • 
    • Derekkeith
    • November 25, 2014

19. Help me! Diablosport Intune or Hypertech Max Energy 1 2

    By pkpouttu, November 14, 2014
    • 17 replies
    • 17.9k views
    • 
    • russ9443
    • November 23, 2014

20. Anyone do a aftermarket cam, springs and tune?

    By peejaykay, November 14, 2014
    • 1 reply
    • 1.1k views
    • 
    • Jennabear
    • November 17, 2014

21. GM Borla Catback Install/Dented Muffler

    By sugarjohnson, November 6, 2014
    • 4 replies
    • 1.9k views
    • 
    • sugarjohnson
    • November 14, 2014

22. 6.2 oil dipstick

    By high country, October 10, 2014
    • 7 replies
    • 3.4k views
    • 
    • sourdough44
    • November 12, 2014

23. Dark smoke under heavy throttle??????

    By BBRU, November 11, 2014
    • 5 replies
    • 7.9k views
    • 
    • BBRU
    • November 12, 2014

24. 5.3l LT headers and Y pipe 1 2 3

    By CAtaylor, September 1, 2014
    • 41 replies
    • 9.6k views
    • 
    • Mike1220
    • November 11, 2014

25. What is this behind the third cat?

    By Luster, November 9, 2014
    • 6 replies
    • 4k views
    • 
    • Luster
    • November 9, 2014