Transmission Speedometer Gear Calculator
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A simple Transmission Speedometer Gear
Calculator. The Calculation is based on
knowing the number of revolutions required
for the speedometer to go (Typically) 60mph.
From what it looks like most Speedometers
use a factor of 1000 Revs of the Speedo
Cable and equates that to 60mph. Your
mileage may vary. I think most electronic
speedo's work that way as well. Don't know
how this maps to you metric folks, but if you
know send me an email and I'll fix it up!
The images are various images of
speedometer gears that I found on the web.
One is a nice cut away of a transmission
showing how they work in a GM transmission.