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Old 07-05-2009, 12:14 PM   #3
AdderMk2
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jack up the rear end, mark the driveshaft. rotate one of your tires one time, and count how many times the driveshaft turns to the mark you made.

3 1/4 = 3.27
3 1/2 = 3.55
3 3/4 = 3.73
<4 = 3.90
>4 = 4.10
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