Engines & Drivetrain

2,739 topics in this forum

1. Tuning a 5.3 1 2 3

   By slickman, July 22, 2017
   • 33 replies
   • 25.8k views
   • 
   • KARNUT
   • October 7, 2017

2. Flowmaster

   By elKrusto, September 26, 2017
   • 10 replies
   • 1.4k views
   • 
   • elKrusto
   • October 7, 2017

3. Wawa gas 92 octane good bad? 6.2l 1 2 3 4

   By wildlyfe200, September 8, 2017
   • 50 replies
   • 11.3k views
   • 
   • gone_fishing
   • September 25, 2017

4. 5.3L with PD/Roots blowers towing - How's the Trans/water temps?

   By RideZX6R, September 25, 2017
   • 1 reply
   • 955 views
   • 
   • Bxnanaz
   • September 25, 2017

5. 8 speed tranny forgets how to shift

   By Nuginu, September 20, 2017
   • 13 replies
   • 2.7k views
   • 
   • emeryz28
   • September 21, 2017

6. Splitting Corsa Exhaust

   By 6.6LTZ, September 20, 2017
   • 2 replies
   • 968 views
   • 
   • 6.6LTZ
   • September 20, 2017

7. Range afm disabler

   By chris-i, September 17, 2017
   • 3 replies
   • 1.4k views
   • 
   • diyer2
   • September 17, 2017

8. 6.2 exhaust (sub 600) 1 2 3

   By 1990dtgl98, July 19, 2017
   • 41 replies
   • 6.8k views
   • 
   • Krusty
   • September 17, 2017

9. Is my 2017 Flex Fuel? 1 2

   By JRoyPDX, June 9, 2017
   • 16 replies
   • 48.3k views
   • 
   • Snoringbear
   • September 16, 2017

10. Hurricane Irma and Octane.

    By emeryz28, September 13, 2017
    • 3 replies
    • 1.1k views
    • 
    • Snoringbear
    • September 16, 2017

11. Carven Progressive Series Cat Back 1 2

    By acc412, June 12, 2017
    • 27 replies
    • 7.5k views
    • 
    • acc412
    • September 15, 2017

12. Aftermarket Cooling Transmission pan

    By schmolf4, September 12, 2017
    • 9 replies
    • 2.3k views
    • 
    • diyer2
    • September 14, 2017

13. Will any cat work?

    By DTOMKIDD, September 10, 2017
    • 7 replies
    • 1.2k views
    • 
    • Supreme Pizza
    • September 14, 2017

14. GM Intake Question

    By thatryan, June 23, 2017
    • 7 replies
    • 3.1k views
    • 
    • Supreme Pizza
    • September 12, 2017

15. Question for anyone who has changed their spark plugs

    By gone_fishing, September 8, 2017
    • 12 replies
    • 10.8k views
    • 
    • michigan2500hd
    • September 11, 2017

16. Stock internal power

    By 5.slowwracing, September 8, 2017
    • 9 replies
    • 1.6k views
    • 
    • Beatme
    • September 10, 2017

17. 2017 6.2L Defective Exhaust Valve

    By Kardean, August 31, 2017   

    • 6.2
    • 10 replies
    • 9.4k views
    • 
    • nitro882
    • September 7, 2017

18. Intake manifold off with pics of intake valves with deposits. 1 2 3 4 11

    By gone_fishing, January 21, 2015
    • 155 replies
    • 108.6k views
    • 
    • GDI Tech
    • September 5, 2017

19. 5.3L Intake and exhaust ports/bolts the same as on LT1?

    By RideZX6R, August 31, 2017
    • 4 replies
    • 1.3k views
    • 
    • RideZX6R
    • September 1, 2017

20. Anyone try on3 performance turbo upgrade?

    By hardcore-gm, August 31, 2017
    • 2 replies
    • 1.7k views
    • 
    • volcom8190
    • August 31, 2017

21. Elite E2-X vs Moroso catch can 1 2 3

    By andreej, December 11, 2016
    • 32 replies
    • 9.8k views
    • 
    • Joe@UPRproducts
    • August 31, 2017

22. plugged catalytic converter 2017 6.2 4000km

    By Kardean, August 25, 2017   

    • 6.2
    • 5 replies
    • 8.4k views
    • 
    • Kardean
    • August 31, 2017

23. Removing the CAT located after the mufffler

    By THE_Engineer, August 29, 2017
    • 6 replies
    • 1.7k views
    • 
    • Krusty
    • August 30, 2017

24. L83 Valve cover torque spec?

    By jrob56, August 28, 2017
    • 0 replies
    • 10.6k views
    • 
    • jrob56
    • August 28, 2017

25. Corsa sport vs touring muffler

    By drentlaw1, August 7, 2017
    • 6 replies
    • 5k views
    • 
    • UroGator
    • August 27, 2017