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Old 01-11-2013, 02:01 PM   #1417
Scooby Guru
Member#: 97135
Join Date: Sep 2005
Chapter/Region: NWIC

Originally Posted by ANR62NV View Post
Specification Sidewall Radius Diameter
245/40-17 3.9in 12.4in 24.7in

245/35-18 3.4in 12.4in 24.8in

Circumference Revs/Mile Difference
77.6in 816 0.0%
77.8in 815 0.1%

It's not significant .....
Gearing doesn't change either
your post is not relevant to anything.

I understand what you're trying to do, but you need to compare the sizes that are being discussed....

235/45/17 vs 245/35/18.....
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