winner
Quote Originally Posted by Kaiser
The question he asked was rolling diameter. Not Tire Height nor run-out. The equation I gave will always give you the distance between the two furthest points in a tire without having to worry about figuring anything extra out, it works off of just what you already know with the tire and wheel sizes, and is what most tire shops use to figure out what size tires you can throw on a vehicle without penalty. Stock rolling diameter give or take a half inch either way is all most shops will do.