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2009 gmc

This is a discussion on 2009 gmc within the GM Trucks forums, part of the Vehicle Specific category; I too am a newbee to this site and was curious about what tuning tips you knowledgable guys have for ...

  1. #1
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    2009 gmc

    I too am a newbee to this site and was curious about what tuning tips you knowledgable guys have for the new trucks with the VVT 8/4 setup or whatever they call it. The truck performs ok, but I would like to have a little more throttle response. Any and all recomendations welcomed. Thanks

  2. #2
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    White
    1999 Trans Am

    You mean active fuel management in the Vortec 5.3L?

  3. #3
    Senior Member 5.0THIS's Avatar
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    red
    95 Z28

    With custom tuning with a program such as hptuners, you can turn off active fuel management off. And with tuning, opening up the intake and exhaust can help as far as basic modifications go.

  4. #4
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    Yep, that would be it. I'm just sick of stepping down on the go pedal and it feeling like I'm stepping on a grape. too much lag time between throttle input and actual movement

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