Thread: Does this sound right?
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Old 06-30-2009, 09:43 PM
GM Duraturd GM Duraturd is offline
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Join Date: Nov 2007
Location: New Riegel, Ohio
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I got 504.025 revolutions per mile with the 40's. I may be wrong.

40 x 3.1427 (tire circumference in inches) = 125.708
5280 (feet in mile) x 12 = 63360 (inches in mile)
63360 / 125.708 = 504.025 rev/mile.

Make sense or am I missing something?
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