Anyone Try putting 87 Gasoline In there G? - Page 4 - G35Driver

#46

11-21-2007, 06:20 PM

redlude97

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Quote:

Originally Posted by kevink

Except that, with my 04 sedan, i have not seen a difference in gas mileage between 87 and 91. I use 91 more often than 87 only because they "recommend" 91.

Driving speed and wind direction apparently trump any possible gas mileage difference on the sedans.

A difference of ~5% probably isn't always detectable due to the constant variance in traffic, weather, driving conditions, but there will be a difference, you cannot retard the timing without having an effect on mileage. If you run your car hard at all, you will easily see the difference

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