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  1. #1
    Jr. Apprentice tonkatracker is a glorious beacon of light
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    Default Express Performance? [Expired Topic]

    2003 Express 3500 6.0l are there any Performance mods out there for it??

    I am not trying to make a rocket I understand its a 5000# van but is there anything out there to squeeze out a few ponies?
    ~~Tomme

    1991 GMC Tracker SLE 4x4 ~ (33's & some goodies)
    2001 Chevrolet Silverado C1500 ~(Work Truck)
    2003 Chevrolet Express G3500HD Cargo ~ (DD)
    2001 Chevrolet Astro LS AWD ~ (Wife's groc. getter)
    2001 GMC Safari Cargo ~ (blown motor)

  2. #2
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    Davandy is a glorious beacon of light
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    Default

    Reprogramming the ECM will give you an improvement
    Peter Smet
    Haasdonk, Belgium

  3. #3
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    finalday7 is a glorious beacon of light
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    Default

    wouldn't most performance parts for that size engine be interchangeable?

    KRIS
    2007 GMC Sierra CrewCab 4.8L
    Tinted Windows, 20" Chrome MB Predators on 275/55/20 Copper AT's, GM Bed Rug, Speed Scene Chrome Grille, Putco Chrome Handles, Hypertech Max Energy Programmer, Magnaflow Muffler and many more mods to come.
    Former GM Vehicles:
    96 Chevy Camaro. My first car modded for a High School kid.


 

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