This equation is for 4sp, in 4th gear at 1:1 ration. Crankshaft turns once: Drive shaft turns once.
G = final gear reduction (differential)
d = diameter of wheel
pi = 3.14159
(2 * pi * (d/2))
------------------ * RPM = MPH
G * 1056
------------------
??michael j Team Chevelle Gold #77
70 Chevelle SS396 4sp, Fathom Blue/White Stripes - Canadian built
[This message has been edited by michael j (edited 08-23-99).]