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Thread: 5.3 gmc, good tune???

  1. April 17th, 2010 #1
    ggwrigley
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    Default 5.3 gmc, good tune???

    does anyone have a good tune setup for a 2003 5.3? i want to program mine and want some additional information
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  2. April 22nd, 2010 #2
    MSURacing
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    yep, sure do. I am sure lots of people do.
    This is your first tuning I am assuming. What are you looking to do with the truck?
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  3. April 22nd, 2010 #3
    ggwrigley
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    yea im just starting to use efi live, i wont use my truck for high modifications but i want to have more power when i want, and occasionly go offroading, mainly more power for my in city driving.
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