Ford Mustang Forum - View Single Post - Improve shift speed of automatic
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post #4 of (permalink) Old 02-05-2016
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Joined: Sep 2010
Location: Union
Posts: 3,543
Originally Posted by Jn2_ View Post
Don't know if the little hand tuners write the entire ECM,
They flash more than just the calibration. I have a couple different email tunes and they are different strategies than the original one for my car. One is a slightly tweaked 2013 Boss 302 strategy.
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