Ford Mustang Forum - View Single Post - storing car for the winter / with a tune
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post #4 of (permalink) Old 10-27-2013
SHELBY GT 350 Member
Ltngdrvr's Avatar
Joined: Oct 2010
Location: Southeast
Posts: 7,791
Once the tune is loaded it remains just as the stock tune would even with extended battery disconnect, it will just go through the standard relearn cycle, same as it would any time you disconnect the battery.

You would be better off not disconnecting the battery though, instead get a battery maintainer/tender and use that while it's being stored to keep the battery healthy.

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