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Thread: 2001 GMC 8.1 Allison trans

  1. 11-21-2006 #1
    motorhead
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    2001 GMC 8.1 Allison trans

    Does 2.1.14 support the Allison Trans with gas engine ? or is it Diesel engines only.
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  2. 11-21-2006 #2
    Keith@HPTuners
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    HP Tuners Owner Keith@HPTuners's Avatar
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    gas as well.
    We got this guy Not Sure, ...
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  3. 11-22-2006 #3
    motorhead
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    How many extra credits will I need for the Allison Trans tuning?
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  4. 11-22-2006 #4
    Bill@HPTuners
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    none, hptuners doesnt charge extra for transmission tuning licenses.
    It doesn't have to be perfect, it just needs to be done in two weeks...

    A wise man once said "google it"
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