2019-2025 Silverado & Sierra Engine & Transmission (L3B/L82/L84/L87/LM2/LZ0)

1,039 topics in this forum

1. Will upgrading exhaust & air intake void warranty?

   By burns197, June 11, 2020
   • 2 replies
   • 2.4k views
   • 
   • Gerstein1989
   • June 13, 2020

3. Probably shouldn’t have cut the muffler and flapper off

   By romeactual, April 17, 2020   

   • exhaust
   • 5 replies
   • 9.9k views
   • 
   • SquireSCA
   • June 11, 2020

4. 2020 3L turbo lag

   By cbprov, June 8, 2020
   • 3 replies
   • 2.5k views
   • 
   • ullose272
   • June 9, 2020

5. DIESEL OFF-ROAD PACKAGE

   By jpaperguy, June 4, 2020
   • 4 replies
   • 1.6k views
   • 
   • ullose272
   • June 6, 2020

6. 2020 Trail Boss LT 5.3 L --> COLD AIR INTAKE RECOMMENDATIONS.

   By EXPLOID786, May 31, 2020
   • 3 replies
   • 2.6k views
   • 
   • tinbad
   • June 3, 2020

7. Tow haul usage

   By PBANDJ, June 3, 2020
   • 0 replies
   • 581 views
   • 
   • PBANDJ
   • June 3, 2020

8. Reviewed: Roto-Fab Cold Air Intake For 2019+ Silverado/Sierra

   By Roto-fab, March 4, 2020
   • 5 replies
   • 1.9k views
   • 
   • Jmonty
   • June 3, 2020

9. Front Differential (SU4) Diagram

   By RAYS B4U, May 20, 2020
   • 5 replies
   • 5.1k views
   • 
   • RAYS B4U
   • May 31, 2020

10. Brand new Sierra 5.3 CEL flashing

    By Andyh1, May 28, 2020
    • 2 replies
    • 651 views
    • 
    • derek_05_07
    • May 29, 2020

11. Where is your go-to place for exhaust purchase? Borla 1 2

    By Libertas, February 5, 2020
    • 23 replies
    • 3.9k views
    • 
    • JAEDEE
    • May 28, 2020

12. 2019 Silverado RST 8 speed automatic transmission 1 2 3

    By Jethroy Potter, September 4, 2019
    • 37 replies
    • 23.3k views
    • 
    • code-man26
    • May 20, 2020

13. Upgrading gear ratio from 3.42 to 4.10

    By Jfloyd1112, May 13, 2020   

    • custom trailboss
    • 5.3
    • (and 7 more)

      Tagged with:

      • custom trailboss
      • 5.3
      • V8
      • 6 speed
      • 2019
      • 3.42 gears
      • 4.10 gears
      • Silverado
      • Chevrolet
    • 8 replies
    • 17k views
    • 
    • flyingfool
    • May 16, 2020

14. 4.3 Dyno test?

    By Cesar Ramirez, April 6, 2020
    • 12 replies
    • 2.8k views
    • 
    • Kableguy
    • May 14, 2020

15. ProCharger 2020-2019 CHEVY/GMC Supercharger Kits Shipping Now

    By ArcherMP, April 16, 2020
    • 12 replies
    • 3.1k views
    • 
    • TRKLGND
    • May 12, 2020

16. '19 5.3l exhaust pipe size, muffler suggestions? 1 2

    By Donnyb313, April 10, 2019
    • 19 replies
    • 43.8k views
    • 
    • crazyjoefound
    • May 4, 2020

17. Best 6.2 L fule? 1 2

    By scottrbeam, April 22, 2020
    • 24 replies
    • 4.7k views
    • 
    • Cpl_Punishment
    • May 2, 2020

18. 10L80 10-Speed Transmission Torque Limit?

    By INTJ, April 18, 2020
    • 10 replies
    • 13.7k views
    • 
    • BlancoSilverado
    • May 1, 2020

19. GM L96 6.0L gasoline "Engine Inertia"

    By Sined, April 29, 2020
    • 2 replies
    • 780 views
    • 
    • Gangly
    • April 30, 2020

20. Oil cooler line rupture

    By K.A.M, April 22, 2020
    • 5 replies
    • 8.2k views
    • 
    • 175vTrailbossLT
    • April 29, 2020

21. Question bout RPM's

    By Donnie Summers, April 28, 2020
    • 4 replies
    • 1.9k views
    • 
    • redwngr
    • April 28, 2020

22. My feedback on the Silverado/Sierra 2.7L versus Ford F-150 2.7L

    By Nervouswater, March 27, 2020
    • 2 replies
    • 1.5k views
    • 
    • Ricomtzjr
    • April 27, 2020

23. 2019 Gmc elevation 6 speed Offset wheels vs spacers

    By Cody H, April 26, 2020
    • 3 replies
    • 2.1k views
    • 
    • Memphis87
    • April 26, 2020

24. Does your truck have Pinion Shims?

    By hotrodz37, April 25, 2020
    • 4 replies
    • 2k views
    • 
    • hotrodz37
    • April 25, 2020

25. K&N Exhaust System

    By James Cavalero, April 17, 2020
    • 2 replies
    • 806 views
    • 
    • redwngr
    • April 22, 2020

26. 2019 Sierra DFM - RANGE WORKS! 1 2

    By ls1wolf, February 5, 2020
    • 16 replies
    • 3.4k views
    • 
    • TRKLGND
    • April 21, 2020