Posted by jps on February 26, 1999 at 15:29:05:
In Reply to: Re: Mustang Speedometer posted by Ron L on February 26, 1999 at 14:33:54:
Ron, I think your math may be off. Decimal in the wrong place maybe? My calculations show a difference of closer to 0.5% with the new size being only 0.2" taller - 25.5 vs 25.7. Close enough that speedometer accuracy shouldn't be a concern.
Try this url-
http://www.miata.net/garage/tirecalc.html