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Old 09-05-2008, 12:56 AM   #2 (permalink)
bbjsw10
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Join Date: Jul 2008
Location: Findlay,OH
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bbjsw10 - '91 Geo Metro Xfi
90 day: 51.06 mpg (US)
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Did some math on these for a 155/80 12 like on my car.
At 350rpm = 22.67mph
850rpm = 55.06mph
I used this calculator.
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