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Thread: 2008 GMC sierra Duramax

  1. 01-20-2008 #1
    Darafayen
    Darafayen is offline
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    2008 GMC sierra Duramax

    I just bought this truck wondering what kind of power i can get out of it with the HP tuner? anyone know?
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  2. 01-23-2008 #2
    Programmer
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    Jul 2007
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    It's a software editor that can give you enough options to blow the rods through the side of the block. Making power is easy...longevity ? As long as you've got deep pockets, you can make over 700HP...
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