6.6L (LML/L5P) & 6.0L (L96/LC8) Tech

122 topics in this forum

1. 6.0 pulling timing at 3000 RPM

   By Abarth500., June 3   

   • 6.0
   • vortec
   • (and 4 more)

     Tagged with:

     • 6.0
     • vortec
     • knock retard
     • pulling timing
     • 3000
     • rpm
   • 5 replies
   • 301 views
   • 
   • Abarth500.
   • June 18

2. 2016 Silverado 2500 6.0 with Corsa

   By SOTO3389, April 13
   • 6 replies
   • 779 views
   • 
   • avalonandl
   • June 12

3. Drive train vibration

   By asaxby, June 1
   • 8 replies
   • 309 views
   • 
   • avalonandl
   • June 11

4. Opinions on towing?

   By 2017DenaliHDChris, June 6
   • 9 replies
   • 311 views
   • 
   • avalonandl
   • June 9

5. Fuel

   By Waaazooo, May 26
   • 11 replies
   • 294 views
   • 
   • Waaazooo
   • May 28

6. 2018 L5P sudden loss of power and shut off

   By 480Ruger, May 22   

   • l5p
   • loss of power
   • (and 1 more)

     Tagged with:

     • l5p
     • loss of power
     • 2018
   • 2 replies
   • 363 views
   • 
   • 480Ruger
   • May 23

7. DEF metering

   By Waaazooo, May 13
   • 7 replies
   • 292 views
   • 
   • Waaazooo
   • May 14

8. Fuel filter change.

   • 1
   • 2

   By calgator73, April 9, 2017
   • 20 replies
   • 3,230 views
   • 
   • avalonandl
   • May 14

9. Fuel Mileage L5P

   • 1
   • 2

   By Peterd, July 23, 2017
   • 18 replies
   • 6,969 views
   • 
   • powerhaulic
   • May 8

10. Brake hardware differences 16-17/18

    By Waaazooo, May 5
    • 5 replies
    • 258 views
    • 
    • newdude
    • May 7

11. Engine brake tic

    By 42skidoox, August 30, 2017
    • 7 replies
    • 994 views
    • 
    • Waaazooo
    • May 5

12. Cam Swap 2015 6.0

    • 1
    • 2

    By JesseJames94, October 6, 2017
    • 18 replies
    • 2,105 views
    • 
    • SierraHD17
    • April 18

13. 6.0 performance / fuel economy questions

    • 1
    • 2

    By Camstyn, April 10
    • 18 replies
    • 1,110 views
    • 
    • Big Whiskey
    • April 16

14. 6.0 gas engine

    • 1
    • 2
    • 3
    • 4
    • 11

    By cat320, November 3, 2014
    • 157 replies
    • 29,220 views
    • 
    • SierraHD17
    • April 15

15. Trans fluid change in 2015 2500hd 6.0

    By ryanhardy, March 19
    • 7 replies
    • 584 views
    • 
    • Cowpie
    • April 8

16. DEF low in less than 2 weeks

    • 1
    • 2

    By austingta, July 21, 2016
    • 20 replies
    • 2,577 views
    • 
    • Colossus
    • April 8

17. DEF tank

    By Peterd, July 2, 2017
    • 9 replies
    • 3,167 views
    • 
    • 1st diesel truck
    • March 23

18. DEF heater failure and engine light

    By Jnich17, November 10, 2017   

    • 2015 duramax
    • 9 replies
    • 878 views
    • 
    • Colossus
    • March 23

19. 2018 GMC 2500 Denali Hitch issue

    By 352Teetime, March 9
    • 1 reply
    • 582 views
    • 
    • grandpalarry777
    • March 10

20. 2500HD 6.0 oil

    • 1
    • 2
    • 3

    By T_ClarkEx39, September 15, 2017
    • 34 replies
    • 2,893 views
    • 
    • Cowpie
    • March 3

21. 6.0 Surging while Cruising at Low RPM

    By bigsby, May 9, 2016
    • 9 replies
    • 3,473 views
    • 
    • HammerHead0313
    • February 16

22. considerind upgrade from 2005Sierra Denali to 2015 2500 Sierra Denali Duramax

    By atlantaman, February 5   

    • questions on cars
    • 0 replies
    • 322 views
    • 
    • atlantaman
    • February 5

23. 2017 Duramax Recommends Using Only GM DEF to Avoid Problems

    • 1
    • 2

    By jimstringer, August 11, 2017   

    • def quality problem
    • 21 replies
    • 13,247 views
    • 
    • redwngr
    • February 3

24. Should I Buy a New Duramax

    • 1
    • 2

    By Daboom48, October 30, 2017
    • 23 replies
    • 2,389 views
    • 
    • Dnt
    • January 28

25. Trouble with the DEF warning msg. Says empty when full

    By B Hoien, December 3, 2017   

    • def warning sys
    • 1 reply
    • 367 views
    • 
    • Wintersun
    • January 26