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Petri wrote:
>I also wonder if I can figure out the percentage the diameter has changed
>and thus increase the speed (in my head) by that much more:
>For example, let's say that from 165-15 to 195/50-15 the diameter decreased
>by 3%, thus I can go 3% faster than what the speedo shows and still keep
>under or at the speed limit.
Petri, you might want to have a look at this site.
http://www.miata.net/garage/tirecalc.html
You will have to add an 80 in the 165 tire size, meaning you'll have to size
the tire like this, 165-80-15 . This will then allow the system to calculate
the difference. I hope this helps.
Bob 65 Notch S w/ Sunroof
71 Square, Now a 2 seat Roadster, pics can be seen at;
http://volksrods.com or http://photo.starblvd.net/bobnotch
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