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Thread: 2003 GMC LQ4

  1. #1
    Carb and Points!
    Join Date
    Jan 2018
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    3

    2003 GMC LQ4

    Hello Everyone.

    I have a 2003 GMC LQ4 that I want to tune for towing beyond what GMC provides.

    Any thoughts?

  2. #2
    Super Moderator dave w's Avatar
    Join Date
    Feb 2011
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    6,268
    Maybe set the Power Enrichment delay to ZERO seconds.
    Maybe set the fuel parameters for E10 fuel, if using fuel with 10% alcohol.
    Maybe "Tweak" the Abuse Mode parameters. (Sometimes it's better to allow the driver to be the Abuse Mode Manager?)
    Maybe "Tweak" the transmission shift points with "Bluecat" https://forum.hptuners.com/showthrea...Table-Software
    Maybe convert to Electric Radiator Fans that will be controlled by the PCM?

    dave w

  3. #3
    Carb and Points!
    Join Date
    Jan 2018
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    3
    Quote Originally Posted by dave w View Post
    Maybe set the Power Enrichment delay to ZERO seconds.
    Maybe set the fuel parameters for E10 fuel, if using fuel with 10% alcohol.
    Maybe "Tweak" the Abuse Mode parameters. (Sometimes it's better to allow the driver to be the Abuse Mode Manager?)
    Maybe "Tweak" the transmission shift points with "Bluecat" https://forum.hptuners.com/showthrea...Table-Software
    Maybe convert to Electric Radiator Fans that will be controlled by the PCM?

    dave w
    Wow, thank you for the fast response and your time!

    Can't access the link Bluecat supplied in the post, but will keep trying. I need to get hptuners software and play with it.

    Happy New Year.
    David

  4. #4
    Super Moderator dave w's Avatar
    Join Date
    Feb 2011
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    6,268
    The software is an executable file, that works without HP Tuners.

    Some skills with Microsoft Excel will be very useful too.

    dave w

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