Engines & Drivetrain

2,741 topics in this forum

1. open or closed CAI?

   By alkrisma, March 7, 2019
   • 9 replies
   • 4.4k views
   • 
   • BigBlueLB756
   • March 7, 2019

2. Front Differential

   By FlipZ71, March 6, 2019
   • 7 replies
   • 1.2k views
   • 
   • FlipZ71
   • March 7, 2019

3. Steering Knuckle

   By FlipZ71, March 6, 2019
   • 0 replies
   • 1.2k views
   • 
   • FlipZ71
   • March 6, 2019

4. 39529 Dynomax Ultra Flo

   By silveradosid, March 2, 2019
   • 5 replies
   • 1.3k views
   • 
   • silveradosid
   • March 6, 2019

5. Re-tune

   By Mrfrye, March 5, 2019
   • 5 replies
   • 726 views
   • 
   • RMR
   • March 5, 2019

6. Front wheels binding in 4 wheel mode

   By N17RO, August 26, 2018
   • 9 replies
   • 2.5k views
   • 
   • boilers
   • March 4, 2019

7. BTR Cam 223/228, .604"/.604", 114 LSA 1 2 3 4 7

   By 6.2_GMC_DEN, November 17, 2018   

   • 6.2l cam
   • 92 replies
   • 18.8k views
   • 
   • country_09
   • March 4, 2019

8. Proportioning valve mods

   By flyingfool, March 2, 2019
   • 1 reply
   • 1k views
   • 
   • Mozzer
   • March 2, 2019

9. No more AWD? 1 2 3

   By jrhaines2, February 22, 2019
   • 33 replies
   • 6.8k views
   • 
   • ftwhite
   • March 1, 2019

10. UPR single side catch can install 2018 GMC Sierra 6.2. 1 2 3 4 5

    By Grjfer, January 1, 2019
    • 66 replies
    • 12.3k views
    • 
    • VdellaV
    • February 26, 2019

11. Looking for catch can 1 2

    By Jim Schmidt, February 18, 2019
    • 15 replies
    • 2.5k views
    • 
    • SS502
    • February 25, 2019

12. Catch Can Install after 30k ‘17 6.2L

    By CrazyZ01, February 23, 2019   

    • catch can
    • 7 replies
    • 11.2k views
    • 
    • damnthetorpedoes
    • February 24, 2019

13. Dyno Tuning in Phoenix Area

    By ScummyBadger, February 21, 2019
    • 4 replies
    • 2.7k views
    • 
    • ScummyBadger
    • February 22, 2019

14. Sorry, another header question

    By everkain, February 7, 2019
    • 13 replies
    • 1.5k views
    • 
    • 00pooterSS
    • February 22, 2019

15. Magnaflow questions 1 2

    By black18custom, February 16, 2019
    • 17 replies
    • 1.4k views
    • 
    • Shakeydeal
    • February 20, 2019

16. Fuel question

    By Erintc29, February 18, 2019
    • 11 replies
    • 963 views
    • 
    • SS502
    • February 19, 2019

17. Exhaust help, I'm so lost!!! 1 2 3

    By tim5779, December 30, 2018   

    • exhaust
    • intake
    • (and 1 more)

      Tagged with:

      • exhaust
      • intake
      • performance
    • 38 replies
    • 4.7k views
    • 
    • Crazypontiac03
    • February 19, 2019

18. Intake manifold swap? 1 2 3 4 12

    By Meethead, December 2, 2016
    • 179 replies
    • 87.2k views
    • 
    • Weazelwacker
    • February 18, 2019

19. Oil 1 2 3

    By chris-i, January 26, 2019
    • 30 replies
    • 4.5k views
    • 
    • Black02Silverado
    • February 15, 2019

20. Help with 4X4 1 2

    By GN2018, January 24, 2019
    • 18 replies
    • 1.8k views
    • 
    • DONWT15
    • February 13, 2019

21. Need help finding this line

    By SS502, February 9, 2019
    • 3 replies
    • 1.3k views
    • 
    • Mozzer
    • February 10, 2019

22. Tried Range AFM, Bought SCT X4 (Returned it). Now Loving My DiabloSport Intune i3

    By TedH, January 21, 2019   

    • losing the afm battle...
    • 9 replies
    • 13.3k views
    • 
    • midwestdenaliguy
    • February 10, 2019

23. Maintenance Stuff / Valve Cleaning CRC GDI IVD or Manual (at this point)?

    By FishinDVM, February 8, 2019
    • 14 replies
    • 4.9k views
    • 
    • Doublebase
    • February 9, 2019

24. 2014 5.3 VVT Cam actuator 1 2

    By SteveCZ, November 21, 2018   

    • vvt timing rpm
    • 20 replies
    • 7.8k views
    • 
    • SteveCZ
    • February 4, 2019

25. Part # for 6.2 PCV Tube??

    By Last C5, February 17, 2015
    • 7 replies
    • 3.3k views
    • 
    • SS502
    • February 2, 2019