Quote:
Originally Posted by euromodder
1010Tires have a useful tire size comparison tool :
Tire Size Calculator - tire & wheel plus sizing
I've had a look, but your original tire size is a fairly odd one with a high profile for the width of the tyre - at least by European taste.
It means that a narrower tyre would need to have a very high profile (70, 75 even).
I'm not sure wether these are regularly available.
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You are correct. The 65 sidewall is pretty tall. There are no LRR 225/70 or 75 tires. The 225/65 is 28.6 inches in diameter and the 235/65 is 29.1 inches in diameter. So, there is a .5 inch difference in diameter.
I am wondering if a thinner, lighter (27 vs current 32), higher pressured tire's increase in mileage will overcome the mileage loss because of slightly higher revs per mile.