Quote:
Originally Posted by gotta240
The tire size calculation that you are doing doesn't really work out in reality. For instance, i'm running a falkon 275/35/18 on a 9.5 inch rim. Although according to the way you do it, this should be buldging, it doesn't. Tire companies don't always make their sizes what they say it is. Thats why some 255s are as wide as some 275's. Most 265s on a 10.5 may even have a SLIGHT stretch. Nothing much, but most likely not totally "square". I guess what i'm getting at is, you have to take it as case by case thing.
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tire calculation
275 / 25.4 = 10.82
your wheel if it's a 9.5 is aprox idk 9.8-.9.9 from lip to lip
A RT-615 275/35/18 is 10.8
even if your wheel was a flat 10, which it's not you would be .8 of an inch over
so Ima guess you have a slight buldge ( post pictures to prove me wrong )
I put 275/40/17 on my 17x10's yesterday and it's square so I have a hard time believing you with a 9.5 wheel is square. again please do post pictures I'd like to see what it looks like