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Thread: Help.. Need stock OS OR Tunes for 08 and 09 Cab and Chassis trucks

  1. #1
    Junior Member
    Join Date
    Oct 2005
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    Default Help.. Need stock OS OR Tunes for 08 and 09 Cab and Chassis trucks

    I have two cab and chassis trucks that have been previously tuned and now the rear tanks won't work. From what I read its because its the wrong OS from the box tuner they were tuned with.

    The OS is currently 12628594 on both but I can't find what it should be.

    VIN# 1GBJK39608E186942

    VIN# 1GBJK89679E118510

    Any Help greatly appreciated..
    2001 Z06, G5X3 cam, AFR heads, LG long tubes.

  2. #2
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    Oct 2005
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    2001 Z06, G5X3 cam, AFR heads, LG long tubes.

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