Engines & Drivetrain

2,728 topics in this forum

1. Looking for LT1 IM and TB.

   By 16rcsb_dom, April 27, 2018
   • 6 replies
   • 913 views
   • 
   • truckguy82
   • May 7, 2018

2. 4WD low in reverse

   By Lison, May 1, 2018   

   • reverse gear
   • 5 replies
   • 955 views
   • 
   • Imcrazy
   • May 6, 2018

3. It Has Arrived!!!!! 1 2 3

   By Gorske, April 26, 2018
   • 39 replies
   • 4k views
   • 
   • Gorske
   • May 3, 2018

4. Brake Job Experience & Advice

   By Darksky, March 25, 2018
   • 12 replies
   • 1.9k views
   • 
   • Mike GMC
   • May 2, 2018

5. L83 Ecotec3 aftermarket Intake Manifold?

   By Steelephillips, April 21, 2018
   • 7 replies
   • 16.9k views
   • 
   • Mike GMC
   • April 24, 2018

6. Fuel Filler Neck Size

   By kivetts04dmax, April 16, 2018
   • 1 reply
   • 3.5k views
   • 
   • kivetts04dmax
   • April 23, 2018

7. coolant smell in cab

   By Cheekster96, April 21, 2018
   • 0 replies
   • 732 views
   • 
   • Cheekster96
   • April 21, 2018

8. E85 in the 4.3 Ecotec3, Yes or No? 1 2 3 4 5

   By tim5779, February 7, 2018   

   • e85
   • 4.3
   • (and 1 more)

     Tagged with:

     • e85
     • 4.3
     • unleaded
   • 69 replies
   • 36k views
   • 
   • Grumpy Bear
   • April 21, 2018

9. 2017 Ecotoc 4.3 sound

   By tim5779, April 17, 2018
   • 7 replies
   • 1.2k views
   • 
   • Imcrazy
   • April 21, 2018

10. Oil Filter for 2014+ conflicting info. 1 2

    By dbrobins27, November 1, 2017
    • 17 replies
    • 15.7k views
    • 
    • Ag76
    • April 19, 2018

11. 2014 Sierra Denali 6.2 bent push rod problem

    By jca1972, April 19, 2018
    • 1 reply
    • 4.7k views
    • 
    • Billy Smart
    • April 19, 2018

12. Spare TCM for 8 speed tuning

    By Crimson6.2L, April 15, 2018
    • 9 replies
    • 6.2k views
    • 
    • TJay74
    • April 19, 2018

13. FREE Stock Exhaust (Crew Cab / Std bed) off 2017 KING GEORGE, VA

    By aaronarf, April 7, 2018
    • 3 replies
    • 706 views
    • 
    • aaronarf
    • April 18, 2018

14. Dropping the trans pan

    By GTIzks, January 23, 2018
    • 13 replies
    • 17.3k views
    • 
    • diyer2
    • April 17, 2018

15. Corsa Exhaust tips pix help

    By jrotz21, April 10, 2018
    • 6 replies
    • 3.1k views
    • 
    • jrotz21
    • April 11, 2018

16. BB tune Event Experience? 1 2

    By Rkaroll953, March 21, 2018
    • 25 replies
    • 2.9k views
    • 
    • Jarrad@BBP
    • April 9, 2018

17. Exhaust pop at 60mph

    By Ed36rgz71, February 4, 2018
    • 5 replies
    • 2.2k views
    • 
    • 17SLE
    • April 4, 2018

18. Oil Filter observation 1 2

    By 2017SierraSLT, October 5, 2017
    • 29 replies
    • 10.8k views
    • 
    • aczr2k
    • March 28, 2018

19. Carven Progressive Series dump exit

    By Gorske, March 25, 2018
    • 0 replies
    • 3.1k views
    • 
    • Gorske
    • March 25, 2018

20. Circle D 3000-3200 stall 0-100

    By Gorske, February 14, 2018
    • 12 replies
    • 10.4k views
    • 
    • Gorske
    • March 21, 2018

21. Torque converter shudder after maintenance and fix

    By DirtyMarcus, March 18, 2018   

    • 6l80e
    • transmission
    • (and 2 more)

      Tagged with:

      • 6l80e
      • transmission
      • fluid
      • 5.3
    • 2 replies
    • 24.8k views
    • 
    • DirtyMarcus
    • March 18, 2018

22. P050D Internal Coolant Leak? Weird!

    By Matt9285, June 5, 2017
    • 8 replies
    • 19.1k views
    • 
    • 2018GMC
    • March 14, 2018

23. 2017 8 Speed Trans tuning

    By Crimson6.2L, February 21, 2018
    • 4 replies
    • 6.4k views
    • 
    • TJay74
    • March 12, 2018

24. AC Delco E-core oil filters 1 2 3

    By HondaHawkGT, October 27, 2015
    • 31 replies
    • 37.4k views
    • 
    • billymark
    • March 11, 2018

25. help with header choice 1 2

    By Chris the navy mech, May 30, 2014
    • 20 replies
    • 12.6k views
    • 
    • M1ck3y
    • March 10, 2018