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  1. #1
    Junior Member
    Join Date
    Apr 2008
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    Houston
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    Black
    2003 Chevy Silverado

    Post Hypertech Power Programmer III (silverado 2003)

    Okay i have been using a Hypertech Power Programmer III on my 2003 Chevy Silverado 5.3 and i just can't get my tuning down on the Rev limit and shift points!! Was hoping i could get some help here. so please let me know something...

  2. #2
    Member
    Join Date
    Jun 2007
    Location
    THE 405
    Posts
    169

    Black
    2007 Silverado

    back away from the handheld...please put the hypercrapper down and give nelsonperformance a shout
    2007 RCSB 5.3L

  3. #3
    Member Nitrous's Avatar
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    Dec 2005
    Location
    Houston
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    191

    White
    97 GMC with 02 LS6 engine

    Quote Originally Posted by dozerdan View Post
    back away from the handheld...please put the hypercrapper down and give nelsonperformance a shout

    LOL......................agreed! Hypertech

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