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Basic math/speedo question 200 1981

15 inch rims with low profile tires on them are very close to stock, cut and passte this into your browser

http://www.miata.net/garage/tirecalc.html

For a wagon that had 185/75/14s on it the 205/60/15s are actually a bit smaller making your speedo' 1% too fast. For a sedan that came stock with 185/70/14s it is 2% too slow, both way inside the limits for error on a spedometer.

Dave Shannon
Spring Valley, California (San Diego area)
'84-245 200K+
'84-245T 190K+
'88-240 190K+
'01 Jeep Wrangler Sahara 10K
www.volvo2.homestead.com (Opens new window)






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