89 octane fuel
03-11-10, 05:32 PM
#16
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Join Date: Jan 2010
Location: Florida
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As someone previously mentioned, the stations in Florida mostly have 87, 89 and 93 (even the Sunoco I last visited). I switch back and forth between the 89 and 93 each time I gas up. I figure I'm around 90 - 92 on average with those two. My in-town driving averages 19.5 - 23.5. I haven't been on the highway enough to test the mileage there.
03-11-10, 09:57 PM
#17
This is very similar to my thoughts and experiences. I do much highway driving on 87 and reach between 22-24 mpg's, eben in the winter and I always seem to have the cruise set at 75. I make a 500 mile trip twice a month and this has always been my mileage, no matter if I do 60 or 75.
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