Originally Posted by ANR62NV
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.....