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  1. gmduramax

    2006 GMC 6.6L Codes

    Is the speedo correct with the 37’s on it? If it is and the abs module wasn’t adjusted for the tire size change it’ll throw the abs light.
  2. gmduramax

    Good Shop in Oakland California area?

    X2 normally I would swap an injector with another hole to see if the problem follows, or unplugging the injector to see if the knocking goes away.
  3. gmduramax

    Good Shop in Oakland California area?

    Ask for Jay. They might be working Saturday. I could probably at least diagnose it there on the weekend if needed.
  4. gmduramax

    Good Shop in Oakland California area?

    I would say HMS diesel but they’re usually backed up. Other than that if he can get it to Solano performance center in Fairfield I can make sure it’s taken care of.
  5. gmduramax

    Good Shop in Oakland California area?

    Don’t really know any places that close to the bay, is he willing to tow it an hour or so more north? Edit: nvm lol
  6. gmduramax

    Air intake

    I threw a banks intake on a friends stock LML and it made it much more responsive, not sure if they manipulated the maf a bit or if the filter just flows that much better but it was a solid gain.
  7. gmduramax

    Air intake

    Enclosed with a good supply of ambient air, no debate
  8. gmduramax

    Front Hub Replacment

    Is most of dmax store stuff from china 👀 or is that just speculation
  9. gmduramax

    Front Hub Replacment

    Is the one in the back still good? I was looking at it wondering 🤣
  10. gmduramax

    Front Hub Replacment

    I had two SKF bearings go bad in 10k miles, everything is going to shit these days 🤷🏻‍♂️
  11. gmduramax

    April '23 Chat -- "April Fools" --- yep, thats accurate for this bunch

    Back in 2020 I think. My C6 and my dads C6 are always broken so this is the back up track car. It’s all stock so I could keep the warranty just coil overs and aero
  12. gmduramax

    April '23 Chat -- "April Fools" --- yep, thats accurate for this bunch

    Last minute decision to do a time trial, three year old street tires. I’m currently first in my class, but I’m the only one lol. still third overall. Sent from my iPhone using Tapatalk
  13. gmduramax

    April '23 Chat -- "April Fools" --- yep, thats accurate for this bunch

    Tried to hit the track tonight but they were closed. Sent from my iPhone using Tapatalk
  14. gmduramax

    Delete tips

    Can we make a kill dozer 🤷🏻‍♂️
  15. gmduramax

    More time online

    Come on let’s throw a trans tune in it, maybe a little nitrous and pray 🙏
  16. gmduramax

    LB7 Y-BRIDGE MODIFIED

    😳 maybe it is. I always get the two mixed up.
  17. gmduramax

    More time online

    Let’s find out what just line pressure will hold. Someone’s gotta try it 😏
  18. gmduramax

    LB7 Y-BRIDGE MODIFIED

    Isn’t the federal LB7 y bridge slightly bigger?
  19. gmduramax

    More time online

    Does that mean you’re ready for the big tune kaboom 💥 🤣
  20. gmduramax

    Jake's Diesel?

    As as long as the glow plugs and grid heater don’t come on it’s fine lol