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**gareth_oau** · 20-03-2010, 01:08 AM

this site allows you to play with tyre widths and profiles to keep the same rolling diameter

**GuyGTi** · 20-03-2010, 01:23 AM

Originally posted by gareth_oau View Post

this site allows you to play with tyre widths and profiles to keep the same rolling diameter

http://www.miata.net/garage/tirecalc.html

Great! So if i get a 205 40 17 (bit of stretch) Then it should be almost exactly the same apparently

Thanks for that site very handy.
Guy

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