Engines & Drivetrain

2,727 topics in this forum

1. Free Exhaust Mod!! 1 2 3 4 5

   By YQatari, February 24, 2014
   • 73 replies
   • 116.6k views
   • 
   • giovannifh
   • September 23, 2020

2. 5.3 Engine "Tick" noise

   By Entryteam, September 16, 2020
   • 6 replies
   • 1.4k views
   • 
   • Norcent
   • September 21, 2020

3. Knock in v4 mode only

   By 14silveradomike, September 1, 2020
   • 4 replies
   • 11.9k views
   • 
   • FlatRater
   • September 20, 2020

4. Tuners/gm tech input 1 2

   By M1ck3y, August 7, 2020
   • 21 replies
   • 4.2k views
   • 
   • WS6FirebirdTA00
   • September 19, 2020

5. 2016 6.2 liter shuttering issue

   By Redcmaro72, September 9, 2020
   • 8 replies
   • 2.7k views
   • 
   • Redcmaro72
   • September 19, 2020

6. 6.2 motor blown with 60,000 miles????

   By Robert Semas, January 28, 2020
   • 6 replies
   • 6.8k views
   • 
   • Grumpy Bear
   • September 18, 2020

7. REAR AXLE PLAY

   By ROBSON, August 13, 2020
   • 7 replies
   • 27.1k views
   • 
   • Need More Coffee
   • September 17, 2020

8. nGauge by HPTuners

   By flyingfool, September 16, 2020
   • 2 replies
   • 552 views
   • 
   • flyingfool
   • September 17, 2020

9. DIY Catch can for the LV3 4.3 V6 1 2

   By WHITESSTOWPIG, August 29, 2019
   • 16 replies
   • 19.3k views
   • 
   • flyingfool
   • September 16, 2020

10. Resonator Delete

    By Ty Howry, September 9, 2020
    • 4 replies
    • 1.4k views
    • 
    • JONBLARC7
    • September 15, 2020

11. Anybody else waiting for a tune?

    By tenscourts, September 10, 2020
    • 11 replies
    • 2k views
    • 
    • tenscourts
    • September 14, 2020

12. 2018 5.3l On3 Performance single turbo Kit and suggestions

    By Matthew Fontana, September 11, 2020
    • 3 replies
    • 6.6k views
    • 
    • Matthew Fontana
    • September 12, 2020

13. What's up with the oil dipstick? 2017 5.3 GMC 1500

    By supercab78, September 9, 2020
    • 14 replies
    • 10.7k views
    • 
    • M1ck3y
    • September 12, 2020

14. Magnaglow or Flowmaster? New 1500 Sierra Z71

    By Damon Hoover, July 18, 2020   

    • magnaflow
    • Flowmaster
    • (and 1 more)

      Tagged with:

      • magnaflow
      • Flowmaster
      • Exhaust
    • 8 replies
    • 2.7k views
    • 
    • Entryteam
    • September 10, 2020

15. 6L80/90 tech info

    By flyingfool, September 4, 2020
    • 0 replies
    • 702 views
    • 
    • flyingfool
    • September 4, 2020

16. Anyone seen this?

    By Chad2815, August 30, 2020
    • 8 replies
    • 1.2k views
    • 
    • Z45
    • September 3, 2020

17. Clunk under truck

    By tj8123, August 24, 2020
    • 5 replies
    • 1.1k views
    • 
    • tj8123
    • September 2, 2020

18. Transmission temp 1 2 3 4

    By Jcantu2187, July 21, 2020
    • 52 replies
    • 5.1k views
    • 
    • Bob2C
    • August 26, 2020

19. OBDII Oil Pressure Reading

    By RicksRod, August 24, 2020
    • 5 replies
    • 2.3k views
    • 
    • M1ck3y
    • August 26, 2020

20. OVER MY GMC SIERRA 1 2

    By 15TV, August 18, 2020   

    • LIFTER WOES
    • 25 replies
    • 2.6k views
    • 
    • 15TV
    • August 24, 2020

21. Muffle delete, exhaust codes?

    By hlewis0725, August 22, 2020
    • 1 reply
    • 743 views
    • 
    • scrapen
    • August 22, 2020

22. Muffle delete, exhaust codes?

    By hlewis0725, August 22, 2020
    • 0 replies
    • 463 views
    • 
    • hlewis0725
    • August 22, 2020

23. 8 speed transmission rebuild

    By MN6.2, August 15, 2020
    • 9 replies
    • 16.4k views
    • 
    • MN6.2
    • August 21, 2020

24. Building a 5.3L L83 1 2

    By Stevenmorris.us, August 11, 2020
    • 16 replies
    • 15.5k views
    • 
    • Stevenmorris.us
    • August 19, 2020

25. Injectors 1 2

    By Mark Frazier, June 17, 2020
    • 18 replies
    • 2.9k views
    • 
    • spenpet
    • August 19, 2020