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Discussion Starter · #1 ·
I used to get great mileage on regular gasoline in my old Saturn; how does the ecoboost run on regular 87 octane? Or does it need 90, or 93? What is everyone's experience with different grades of fuel?
 

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The Ecoboost will run just fine on 87 octane. You will be down on HP a bit, but torque remains the same (according to Ford). The computer retards the timing when running lower octane fuels to prevent spark knock and potential damage to the motor. As far as gas mileage using 87 vs premium... I have no idea what the effect on MPG's is.


U.M.
 

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Discussion Starter · #3 ·
Thanks, UM, that's good to know.

Anyone else have any other experiences to share?
 
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