
10-07-2002, 12:03 PM
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Senior Club Cobra Member
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Join Date: Dec 2001
Location: Shasta Lake,
CA
Cobra Make, Engine:
Posts: 26,619
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Not Ranked
This is more of a question than an answer. Bob, I have a letter that I received from one of the car magazines a year or so ago dealing with Ford speedometer gears and they told me that each tooth is worth approximately 4 MPH in speed. We addded two teeth to a friend of mines car which by the radar was reading 10 miles an hour fast and it now reads about 2 miles per hour fast. Is this a fact or did we just happen to get lucky ? I did print out the sheet that you put in your post and will use it for reference from now on.
Thanks, 
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