math question

[Gary <speckman@coredcs.com>]

>
>I believe there is a formula for roughly figuring your top speed that
>involves computing the size of the tire, the rear axle ratio and the engine
>RPMs. Can anyone help?
>
>the formula for vehicle speed in MPH per 1000 RPM =
  
            60,000
           _______
           diff ratio x wheel revs per mile

take that number and mutiply by the number of rpm(per 1000) and you get
vehicle speed at any particular RPM.



You need to know the rolling radius of your particular tire, easy to measure.

Gar