Originally Posted by BoilerUpXFire
ZTonk,
I will answer your questions here so future searchers can see. If you are looking for good tire wear or a good ride, you do not want to do this. I have NEVER Had a set of tires last more than 12K miles, at the most (I do drive aggressively, but can in no way see getting 40K out of a set). In the size 20 it will take, hardly anyone makes affordable tires, or anything other than ZR rated (no mileage guarantees).
When you 'plus size' a wheel, you increase the diameter of the wheel, but decrease the sidewall of the tire. This makes the sidewall stiffer and every little pebble in the road is felt. There is a LOT to consider when changing the wheels on this type of car, and it took me a lot of searching and a lot of pain in the butt. Have you even consedered the backspace, offset, stud length, etc? If you are having trouble with the basic tire lingo and you are wanting to have a 40K mile solution, this is not for you.
I will try and answer any questions you have, but as I said, this is not as easy as it appears to make everything fit correctly and look good.
The Tail Of The Dragon made rubber dust of your tires..

Squirrel Crusher