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Old 10-04-2012, 10:48 AM   #5
jeebus
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Join Date: Jul 2012
Drives: 2015 Mustang GT (on order)
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there's probably a negligible drop in performance. But since we can't get anything better than 91 here, I just won't know what I'm missing. In California we have some of the WORST gas. The car is fine other than all the fuel pump chirps from ethanol.
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