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Old 01-01-2013, 10:00 PM   #2725
stevehnm
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Quote:
Originally Posted by Rememo View Post
Th lack of ethanol is definitely part of the better mileage, but using the computer based mpg could be inaccurate.

Hand calculate the mileage a few times. I'll bet it drops a bit.
It seems there is an extreme minority that reports this much better mileage, except those following sgoldste01's rules. Maybe it's the no-ethanol mix, although jomofree must be using avgas, as Iowa and Minnesota both have ethanol in their gasoline, and I would guess avgas would give substantially better mpg.

On the whole, I am skeptical of the actual mpg, as to go from 400 miles at 39 mpg to a total of 42 mpg for the 750 miles means the 350 miles were at least 45 mpg, and at 75 mph...

Methinks calibration of the dash gauge is in order...
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