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Thread: Need Little Help 03 silverado 5.3

  1. #1
    Potential Tuner SuperStar's Avatar
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    Nov 2015
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    OKLAHOMA
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    3

    Need Little Help 03 silverado 5.3

    2003 silverado
    5.3 comp cam 228r 112lsa
    long tubes
    cold air
    411
    2800 stall

    My first try still learning but it trys to die when im coming to a stop! Idle its seams be a little high.
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