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Robert A. Alexander wrote: > > Kay, > > Just under the "MPH" on my '85 GL is "805". It's supposed to be the > number of revolutions the speedo-cable makes per mile traveled. > 5280'/805revs=6.56'/rev or 78.71"/rev. A tire with a circumference of > 78.71", or a diameter of 25" (diameter=circumference/pi) should give an > accurate indication of speed. My 195R75x14 Dunlops measure 24.375". I > figure I'm indicating around 3% faster than actual speed. > > Does anyone out their have a different number on their speedos? > > Bob - WA4RRN > '85GL Sir, You have sent this message to the wrong address. I couldn't answer your question in a million years:) |
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