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Power Strokes
6.4 Aftermarket
MCC / DIY Tuning for 6.4
Write A Trans Tune for ME!
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[QUOTE="Cknox121, post: 1227639, member: 10978"] I have been using both Gearhead and Jesse Byall tuning. The last one I receive from Gearhead, trans would flare over 1/2 throttle and bang gears. Shifts poor and hard. Not what I like at all. Jesse Byalls last tune is 99% spot on. Holds the power and shifts smooth. Need few mine tweaks but nothing major. I have had terrible shifting out of this trans from the get go. With many, and I mean many revisions from both tuners, Jesse finally get it right. Gearheads shifted smoother but was far from idea IMO. Im not doubting the trans at all, as I have beat on it pretty hard over the last couple days testing out some new trans tunes. I think what is giving the tuners such a hard time is all the modified solenoids and pumps... Sent from my cracked iPhone using Tapatalk [/QUOTE]
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6.4 Aftermarket
MCC / DIY Tuning for 6.4
Write A Trans Tune for ME!
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