Engines & Drivetrain

2,740 topics in this forum

1. 8spd transmission w/ lift kit and larger tires

   By GraphiteSilveradoZ71, March 17, 2022
   • 6 replies
   • 1.6k views
   • 
   • pokismoki
   • March 28, 2022

2. Im sorry, but it is kind of funny GM 21-NA-199 1 2 3 4 14

   By 14burrito, November 10, 2021
   • 198 replies
   • 55.3k views
   • 
   • F4Gary
   • March 25, 2022

3. 2017 L83 DOD delete

   By mrpj1972, March 24, 2022
   • 7 replies
   • 1.9k views
   • 
   • CamGTP
   • March 24, 2022

4. Another Long Tube question...

   By Husker_1911, February 12, 2019   

   • l83
   • kooks
   • (and 4 more)

     Tagged with:

     • l83
     • kooks
     • long tube headers
     • arh
     • k2xx
     • 5.3
   • 11 replies
   • 16.5k views
   • 
   • pokismoki
   • March 24, 2022

5. 16 Silverado 5.3L mods & tuning help

   By Rockstar1, March 21, 2022   

   • cold air intake
   • Throttle body spacer
   • (and 2 more)

     Tagged with:

     • cold air intake
     • Throttle body spacer
     • diablo tune
     • Magnaflow
   • 3 replies
   • 6.4k views
   • 
   • pokismoki
   • March 22, 2022

6. 2017 GMC Sierra Z71 Rear Diff Cover Bolt Torque

   By Jim Cathey, March 18, 2022
   • 2 replies
   • 1.2k views
   • 
   • diyer2
   • March 20, 2022

7. DOD delete parts/uprades?

   By cobrajay, March 7, 2022
   • 2 replies
   • 1.4k views
   • 
   • lucas287
   • March 19, 2022

8. Corvette LT1 Fuel Rail Covers on L86

   By James Beyer, March 16, 2022
   • 3 replies
   • 2.3k views
   • 
   • M1ck3y
   • March 19, 2022

9. 2019 gmc 2500 4x4 6.0l fuel pump not working

   By casperf, March 16, 2022
   • 2 replies
   • 740 views
   • 
   • newdude
   • March 16, 2022

10. L86 vs LT1 vs LT2 1 2 3 4 6

    By M1ck3y, October 17, 2020
    • 75 replies
    • 52.2k views
    • 
    • M1ck3y
    • March 10, 2022

11. Gas in Engine Oil - HPFP or Injectors to Blame?

    By SnakNest, February 15, 2022
    • 12 replies
    • 13.2k views
    • 
    • SnakNest
    • March 8, 2022

12. AFM Lifter Tick

    By DCazares, March 6, 2022
    • 1 reply
    • 1.5k views
    • 
    • 14burrito
    • March 6, 2022

13. Torque Converter - 1500

    By laminarflow, March 1, 2022
    • 1 reply
    • 1.2k views
    • 
    • rlcole321
    • March 6, 2022

14. Engine Thermostat bolt torque

    By palmer_df0130, February 25, 2022
    • 7 replies
    • 44k views
    • 
    • 14burrito
    • March 3, 2022

15. Erratic timing at idle? What does yours look like?

    By SubTX, February 22, 2022
    • 6 replies
    • 1.3k views
    • 
    • 14burrito
    • March 1, 2022

16. GM or me. One of us is really dumb (RPO sticker to scannable QR barcode) 1 2

    By MacPH, May 22, 2019
    • 16 replies
    • 17.8k views
    • 
    • domwrinaldi
    • February 28, 2022

17. 2014 eco tec3 5.3 L83 new crate motor

    By 15foxrzr, February 21, 2022
    • 3 replies
    • 5.2k views
    • 
    • pokismoki
    • February 25, 2022

18. GM Cold Air intake no longer an option to buy of GM accessories?

    By Libertas, February 24, 2022
    • 2 replies
    • 1.4k views
    • 
    • mikeyk101
    • February 25, 2022

19. Resonators info

    By 2015 High Miler, February 5, 2022
    • 5 replies
    • 1.5k views
    • 
    • CamGTP
    • February 18, 2022

20. Coolant tank

    By Jim nelson, February 14, 2022
    • 0 replies
    • 587 views
    • 
    • Jim nelson
    • February 14, 2022

21. Sierra 6.2 vs Corvette 6.2 1 2 3 4 5

    By T.gleason, March 7, 2014
    • 67 replies
    • 96.6k views
    • 
    • truckguy82
    • February 14, 2022

22. L82 5.3 Stock engine 1 2 3 4

    By Slowarado18, December 29, 2019
    • 45 replies
    • 16k views
    • 
    • CamGTP
    • February 14, 2022

23. active fuel management operation

    By Larsson, January 18, 2022
    • 11 replies
    • 8k views
    • 
    • KARNUT
    • February 12, 2022

24. Oxygen sensor

    By Terryb505, February 2, 2022
    • 3 replies
    • 968 views
    • 
    • CamGTP
    • February 2, 2022

25. ? On t.s.b bulletin

    By Scott1212, January 31, 2022
    • 9 replies
    • 7.8k views
    • 
    • Scott1212
    • February 1, 2022