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  1. gmduramax

    Stolen LLY in Colorado

    Only experience I’ve had is they aren’t going to pay anything for aftermarket parts. They might give you something if you recently did the head gaskets and also if you put new tires on.
  2. gmduramax

    Ways to do an oil system flush

    I would just do a drain and fill. Let it run for 5/10 seconds. Let it sit if there’s any water it should be at the bottom. Drain off a little oil. Fill it and go get it hot ??‍♂️
  3. gmduramax

    LLY Rear Engine Coolant Leak

    Passenger side? Heater core hoses? Coolant block off plate?
  4. gmduramax

    Drive pressure leak

    Haven’t used anything but factory but if you are concerned just get them hot with a torch and they’ll come out like butter.
  5. gmduramax

    Lb7 current 67mm drop in vs s400

    X2 unless you go with a ball bearing unit, it won’t spool as good. You’re basically getting a larger turbine with the S400 and will make it lazier but more efficient
  6. gmduramax

    Nitto 420V

    If you tow and want a street tire the F is your best option. If you don’t tow the Yokohama prada spec x is your best tire
  7. gmduramax

    LB7 FICM

    Very good info thank you.
  8. gmduramax

    Steering center link - straight or dropped?

    Straight center links will create more scrubbing while turning.
  9. gmduramax

    Upper radiator hose. Coolant leak.

    Clamps without a spring can cause issues
  10. gmduramax

    Force lml Regeneration

    In DVT I’ve tried and it somewhat works. It was easier clearing the code and driving the truck until it completed lol
  11. gmduramax

    2006 GMC 6.6L Codes

    So is the speedo correct now? Or did you have to correct it?
  12. 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.
  13. 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.
  14. 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.
  15. 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.
  16. 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
  17. 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.
  18. gmduramax

    Air intake

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

    Front Hub Replacment

    Is most of dmax store stuff from china ? or is that just speculation
  20. gmduramax

    Front Hub Replacment

    Is the one in the back still good? I was looking at it wondering ?
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