Quote:
Originally Posted by soapman72
I wouldnt be too concerned about a slight increase or decrease in diameter as long as the front and rear still match perfectly. You can find the O.D. for various sizes/manufacturers on tirerack.com. Our tires in the factory size are EXACTLY the same diameter, so that is the way I would keep it. Even ABS braking performance will be affected by mismatching diameters.
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Wow, after doing more research on several sites, I'm surprised to find out that even in our stock 18" staggered sizes, there are many tire manufacturers that list their overall diameter as NOT exactly the same. I.e. 25.9 in, or 26.1 in, and not always exactly 26 inches for the same size. I didn't realize there was a slight difference in the same size from manufacturer to manufacturer. I always thought the tire would have the exact O.D. no matter who made it, as long as the size was the same....