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Old 06-06-2011, 03:46 PM   #178
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Join Date: Jun 2011
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Location: Houston, TX
What I Drive: 2012 Tuxedo Focus Ti

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Originally Posted by Tony407 View Post
Are those of you close to the 40 mpg mark using supreme? I've heard that this makes a difference although it sounds suspicious to me.

It is my understanding that any gas above regular unleaded is entirely unnecessary - the engine is built to run a lifetime on regular (and E-85!).

I am curious if anyone has tried E-85 yet?!? I want to make sure my engine is well broken in before I use it, but it is tempting when it is always 50-75 cents less/gallon!
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