Marty Rogan Posted March 14, 2008 Author Share #13 Posted March 14, 2008 If your speedo was already off, here's how to calculate another way. And it's probably a good idea to try this out anyways.Head out on the highway where there are mile markers.Drive an indicated 60MPH, which is 1 MPM (mile per minute) for exactly 2 miles.Time the amount of time (we'll call it T) it takes to cover those 2 miles in seconds.Your actual speed in MPM is 120/T.So, take your existing speedo gear tooth count T/120.Teeth(needed) = Teeth(actual) x T/120Not a bad idea. It will have to wait till the car is out of hibernation though. Pretty soon, ... spring is finally coming! Man it's been a long winter.Thanks for the ideas and info.Marty Link to comment Share on other sites More sharing options...
bradyzq Posted March 14, 2008 Share #14 Posted March 14, 2008 I'm with you on the hibernation thing. Maybe I'll see my Z in May.....You're welcome! Link to comment Share on other sites More sharing options...
Wilbur
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