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      11-10-2011, 09:56 AM   #9
Richbot
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Drives: Jerez Black E90
Join Date: Sep 2007
Location: STL

iTrader: (2)

http://www.bgsoflex.com/auto.html

Select the RPM/MPH correlation on the left side

Input your gear ratios (3.85 final drive, 0.87 6th gear) rear tire diameter (stock rear tires are 26.3") and RPM. Tach is usually fairly close.

8200 rpm in 6th gear on stock tires is ~192 mph
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