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2017 Ford Fusion Sport
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Decided to be an idiot and get some backwoods fuel at a Quik Fill along the highway. Figured it wasn't TOO bad being along the highway but sure enough topped off with a full tank of 93 when my dash read 11 miles til empty. 100 miles later I put it down today to pass someone on the way home from work and OAR dropped from -1 to -.84 instantly and ignition corrections showed -3.79 to -3.74 on all cylinders. Limp mode it is for this week. Sigh.
 

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Since winter fuel is coming out... what ratios would people recommend for a e30 car? I usually do 2.250 E85 to 5gal 93oct. I don't ever fully fill up.

Should I bump up to 2.5gal E85 and 5gal 93oct?


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Since winter fuel is coming out... what ratios would people recommend for a e30 car? I usually do 2.250 E85 to 5gal 93oct. I don't ever fully fill up.

Should I bump up to 2.5gal E85 and 5gal 93oct?


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I'm in Cali and I put 3.5-4 gals of E85 then fill up with gas. As long as you do the math on where the needle is it's pretty simple. I usually do 4 gal because the math is easier it's 1 gal per quarter tank.


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