This has been my main concern with Bama, and is why I have been hesitant about buying their tune. I've talked with a couple of people that have transmission (AT) problems after the Bama tune, and I believe it's partly because of the hard shifting. This is most likely due to an increase in line pressure. However, I also know people using the Bama tune on their AT without any problems.
Perhaps there's a different setting for the transmission line pressure between 87, 89, 91 and 93 octane tunes?
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Greg - Owner/Operator: GRH Performance
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