Engines & Drivetrain

2,728 topics in this forum

1. Belt or starter

   By Denmark43, October 17, 2018
   • 7 replies
   • 828 views
   • 
   • Sierra Dan
   • December 31, 2018

2. 2018 Sierra - question before pulling the trigger 1 2

   By jtheruler79, December 29, 2018
   • 17 replies
   • 1.8k views
   • 
   • mookdoc6
   • December 31, 2018

3. Acceleration 1 2

   By SilveradoSaver, June 28, 2017
   • 22 replies
   • 5.1k views
   • 
   • boyzzsandtheirtoys33
   • December 31, 2018

4. 19 trans same as 16?

   By jamin87ss, December 27, 2018
   • 11 replies
   • 1.2k views
   • 
   • SS502
   • December 30, 2018

5. Legato exhaust

   By Brewiz, December 30, 2018
   • 0 replies
   • 517 views
   • 
   • Brewiz
   • December 30, 2018

6. Grade brake?

   By ammoaddict, December 24, 2018
   • 10 replies
   • 1.6k views
   • 
   • TRKLGND
   • December 29, 2018

7. Can I get some input on this cat back?

   By Fatherof2, December 9, 2018
   • 4 replies
   • 1k views
   • 
   • 3tspapat
   • December 28, 2018

8. Exhaust

   By Keone78, December 20, 2018
   • 12 replies
   • 1k views
   • 
   • techsan15
   • December 26, 2018

9. Exhaust help

   By reihart, December 11, 2018
   • 12 replies
   • 1.2k views
   • 
   • TRKLGND
   • December 24, 2018

10. 2014 4.3 2 wheel drive regular cab

    By 2014silveradobr, December 16, 2018   

    • rattle
    • little acceleration
    • 8 replies
    • 970 views
    • 
    • qwank
    • December 23, 2018

11. Best exhaust for 6.2 1 2 3

    By Je_suis_prest, March 17, 2016
    • 37 replies
    • 47.1k views
    • 
    • GMCTruckster
    • December 22, 2018

12. Headers/Cats/CAI shifting sound (whoosh?)

    By mbowen89, December 16, 2018
    • 10 replies
    • 1.7k views
    • 
    • M1ck3y
    • December 22, 2018

13. Downsides to muffler shop vs kit?

    By papageoff, November 28, 2018
    • 9 replies
    • 3.1k views
    • 
    • EIKON
    • December 20, 2018

14. 6.6L Duramax Diesel Engine Operating Characteristics

    By Retired Bob, December 16, 2018
    • 1 reply
    • 704 views
    • 
    • Hillwood
    • December 16, 2018

15. Resonators 2019 1500 Sierra

    By FRWYS & GRNS, December 9, 2018
    • 9 replies
    • 2.1k views
    • 
    • FRWYS & GRNS
    • December 15, 2018

16. 14 Silverado 200k preventative maintenance

    By nathanh, December 14, 2018
    • 7 replies
    • 14.9k views
    • 
    • Mikebtte
    • December 14, 2018

17. 2017 6 speed auto trans question

    By mtkawboy, December 12, 2018
    • 6 replies
    • 1.3k views
    • 
    • mtkawboy
    • December 14, 2018

18. GRAWR question(s) 1 2

    By newbcakes, November 9, 2018   

    • axle
    • trailering
    • (and 1 more)

      Tagged with:

      • axle
      • trailering
      • cargo
    • 17 replies
    • 5k views
    • 
    • newbcakes
    • December 13, 2018

19. AFE twisted steel headers and y pipe 1 2

    By TruckStig, November 28, 2018
    • 29 replies
    • 6.3k views
    • 
    • vballdust
    • December 12, 2018

20. Converter failing 2016 112,000

    By MarcuM, December 4, 2018
    • 9 replies
    • 838 views
    • 
    • MarcuM
    • December 12, 2018

21. Is this normal? 1 2

    By Mozzer, December 6, 2018
    • 18 replies
    • 1.9k views
    • 
    • Berry28
    • December 11, 2018

22. X-fer case, diff fluid change?

    By papageoff, December 10, 2018
    • 10 replies
    • 6.2k views
    • 
    • papageoff
    • December 11, 2018

23. Any ill effects from air filter box hose being loose? 1 2

    By Marv88, December 8, 2018
    • 27 replies
    • 22.5k views
    • 
    • Nasty
    • December 11, 2018

24. Exhaust with no drone? 1 2 3 4 8

    By campbell45, November 23, 2014
    • 105 replies
    • 79.5k views
    • 
    • AML
    • December 10, 2018

25. Catch Can install on 2018 6.2 Instructions

    By SSchup, December 8, 2018
    • 3 replies
    • 786 views
    • 
    • Denali_King
    • December 9, 2018