you guys know where i can find that one site where you enter the tire size and it will make a drawing. then you can enter new sizes and it compares whats the difference. and will tell you the speedometer reading difference?

any help is appreciated

 

http://www.miata.net/garage/tirecalc.html
here you go.

 

thanks

 

haha i was gonna say, this is a miata question!

 

wow thats pretty cool i didnt know that!

900 Posts yay

 

sweet when i'm "going 60" im really going 61

 

I like this downloadable excel tire calculator, it has a nice graphic comparison.