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06-14-2010, 10:57 AM
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#1 |
 Drives: 07 Yaris Sedan, Auto Join Date: Jun 2010
Location: SE Texas
Posts: 327
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calculating mpg with 195/60R15 tires
i just bought a used yaris and the previous owner put 195/60R15 tires on instead of the stock 185/60R15. i found a tire size calculator that said my tires were slightly bigger and my speedometer would read 1.98% too slow.
so, in order to accurately calculate my mpg i would take the mpg figure i come up with and multiply it by 1.0198, right? |
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