Tire Question
#1
Tire Question
Currently I got some Bridgestone Potenza RE730 225/45/17 wrapped around Type S rims. I was thinking of getting some Potenza RE040 215/45/17. Does anyone know about these tires and is the decrease from 225 to 215 a bad idea? Please give me your thoughts. Thanks
#2
Kenpachi Teichou
Join Date: May 2004
Location: San Diego, CA
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you want to keep the diameter about the same. check out this page http://auto.howstuffworks.com/tire2.htm for a good explanation
At 225/45/17 you have 24.972 diameter
At 215/45/17 you have 24.618 diameter
The change in diameter effects the speedometer and odometer.
At 225/45/17 you have 24.972 diameter
At 215/45/17 you have 24.618 diameter
The change in diameter effects the speedometer and odometer.
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