4L80 shift question
Any tips on what to do. I am using the same tune for the "new" 4L as the old trans. I would rather do it internally than change the tune.
Thanks
Thanks !!
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Thanks !!
Beyond that you will need someone with HP to answer that question.
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Any tips on what to do. I am using the same tune for the "new" 4L as the old trans. I would rather do it internally than change the tune.
Thanks









