Ford Mustang Forum - View Single Post - Tune and gasoline quality
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post #4 of (permalink) Old 07-05-2014
BlkPony11's Avatar
Joined: Mar 2012
Location: Piedmont
Posts: 127
Get a 91 octane tune and run 93 octane. Gives a little extra insurance, and only sacrifices a few horses.

2011 Mustang 5.0 - Premium, 6MT, 3.73
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