Quote:
Originally Posted by 2020 MonSSter
For instance... If you have a 28.0" tall brand new drag radial, and you get it mounted to the wheel, does it stretch it some (like stretching a rubber band) and make it say ~27.0-27.5" then? Or something like that? Or does it stay exactly 28.0" tall still? This with about 20-25psi in it once the wheel is in obviously.
Sorry if it's a dumb question! Thanks in advance. for the help.
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There's a very small effect on diameter due to wheel width changes. I think for most tires the correlation runs something like this: an increase in the wheel width decreases the tire OD by 5% of the increase in wheel width.
IOW, mounting a given tire on a wheel 1" wider than the measuring width wheel for that tire could be expected to cause the tire OD to decrease by 0.05". On a 1" narrower than measuring width wheel, the tire OD would increase by about the same 0.05". Basically negligible.
Norm