anyone with 4.10 gears
Tire diameter = mph x gear ratio x 336/Rpm
Gear ratio = rpm x tire diameter/Mph x 336
Mph = rpm x tire diameter/Gear ratio x 336
Rpm = mph x gear ratio x 336/Tire diameter
And here is a nice table http://www.superlift.com/gear.htm
Gear ratio = rpm x tire diameter/Mph x 336
Mph = rpm x tire diameter/Gear ratio x 336
Rpm = mph x gear ratio x 336/Tire diameter
And here is a nice table http://www.superlift.com/gear.htm


