Miata Mailing List: April 1994, Message #178
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   From: RMCELEARNEY@delphi.com
Subject: Miata Top Speed
   Date: Sat, 9 Apr 1994 12:49:41 -0400

On my last trip down from the northeast, I noticed a long stretch of highway
and a little voice inside said "Do it now!!"  The next thing I knew, the
speedo was showing 122 and I still had pedal left!  I thought the top speed
for stock was 117 mph !?  (BTW, the ride was even, with a very slight
vibration, which I attribute to the tires).

This made me think that my speedometer was way off, and after a few simple
tests, I figure it to be about 4% at that speed.  That would put my top
speed at 117.  What a coincidence!  (I hate coincidences.)

Anyone know what tire size I need to get a truer reading?

Rick