Quote:
Originally Posted by jcjim4
Would like to know if most of your mpg info is from 87 octane gas or higher? I seldom use 89 octane, but when I do I get about 3 mpg better. I got 14.4 on my last 2100mile trip on regular. Noticed that at some stations in Texas I was filling up with 86 octane.
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It is interesting that you get better gas mileage with higher octane. I always use 87 octane, but might try a tank or 2 of 89 to see how it does.
Chap