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Old 05-01-2012, 08:27 AM   #1
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Exclamation Higher Octane Fuel Improves Gas Mileage And/Or Performance?

I love all of the new technology that is in the 2012 Focus. I was wandering if the twin independent variable camshaft timing (Ti-VCT) & direct injection will take advantange of the higher octane fuel by using less fuel and/or providing better engine performance.

I tried 89 octane with no noticeable improvements.
Will 92+ octane help or hurt?

Thank you.

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