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Old 12-10-2012, 05:14 PM
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finding rpm,mph,and tire diameter !

overall tire dia. =mph x axle ratio x 336 / divided by rpm

mph= rpm x overall dia. divided by/ axle ratio x 336

rpm= mph x axle ratio x 336 / divided by tire dia.

axle ratio= rpm x tire dia. / divided by mph x 336

Jester
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