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    Just Joined

    Thanks, I have 33K miles at this time. I am looking to get more fuel mileage out of it mainly. Have you or anyone else heard of the tuner from http://www.powerupdiesel.biz? They claim to have a stock tune to revert back to if it needs to go back to the dealer. It seems as if the truck had MUCH...
  2. 0

    Just Joined

    Hello Everyone, I just joined this forum and just purchased my first duramax turbo diesel vehicle. I bought a 2007 Classic and do not really know where to start. I have many questions for all of you. I want to tune it but do not want to void the remaining warranty or damage the vehicle...
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