Quote:
Originally posted by Boaz
I promise you that the computer readout is way off. Check it the manual way. Its the only accurate way to get your MPG!
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I think what he is saying is that his mpg are better using 89 versus 87 and he used the computer for the measurement. If the computer is off it would be off the same using 87 or 89 so the 89 seems to work better for him.