Finally trying out some 91 premium no ethanol. Car is loving it and hope the gas milage stays where it is. 15 mile drive home from the gas station with 1 stop at fleet farm I managed 71 mpg according to dic. Can definitely note the change in performance when it changes fuel maps. If you keep your foot out of it spark advance allows better mpgs. Hopefully will make up for 80¢ difference...11 mpg improvement to make up the difference. So far up 20
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