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Old 05-31-2012, 11:52 AM   #8
Bwill9886
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Quote:
Originally Posted by Dracoheart View Post
As far as I know anything FI from ford is 91 octane or higher, atleast that is how it was for the GT500, '03-'04 Cobra, and lightning.
The 1.6 Ecoboost and the 2.0 Ecoboost can both run on regular in other vehicles, so it is a possibility.

However, Ford has stated that premium DOES allow for the best performance (adds at least several ponies). So unless you had to pinch pennies, why not run premium.
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