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Power Strokes
6.4 Aftermarket
MCC / DIY Tuning for 6.4
2-OD lock up tune
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[QUOTE="B585Ford, post: 636932, member: 5497"] Reason I ask is a while back, there was a surging issue. I think it was around version. 40 or so. It was around 1800 RPM but not everyone with an auto tranny felt it so i was thinking maybe it had been there all along, but your TC/tranny wasn't locking and/or shifting at the right time to cause it and now that you adjusted your TC/line pressure, you can feel it. I had it with mine and I drive a stick so I always wondered if everyone had it but the auto tranny/TC was slipping enough not to make it noticeable. The good news is that if that is the problem, it was completely eliminated with the newer version programming so you might just have to make your program off of a newer version of the engine files. [/QUOTE]
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2-OD lock up tune
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