Miata Mailing List: December 1994, Message #111
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   From: "Alex M. Postpischil" 
Subject: Bridgestones
   Date: Sun, 4 Dec 1994 20:41:18 -0500

I had the SF-325 tires on my Miata from December 91 to November 93 for a total
of 41,700 miles (including daily driving through two Wisconsin winters, lots
of rain, and several dozen autocrosses, and several 30 minute at-speed sessions
on road tracks (Road America, etc)). After putting slightly better Yokohamas
on the car I realize that I was probably driving at 8/10 of the SF-325 during
regular "sport" use, but probably only 6.5/10 of the car's ability. On the
Yokos that moved up to about 8/10 for both. Since my wreck I don't know if I'll
use the same type of Yokos again (U+4). My new rims have SF-325 tires on them
and I look forward to having these for another 40,000 miles! The good news is
that I have most of a spare set of rims and have a source for good used racing
tires for next year's autocrosses!
-alex-