Quote:
Originally Posted by rosuhere
i take it that you don't mind about matching overall diameter? not really possible with 18s... 215/45/17 comes in @ roughly 24.6", so i guess i will be going with a set of 245/40/17 [24.7"]... obviously 245s on these cars are an overkill and fitment might cause issues, so i may have to settle with 225s, which are ~0.5" bigger in diameter...
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Yeah, I know it'll be 1/2" taller overall. But a 1/4" increase in radius isn't too bad. The 18" rim thing makes it a bit difficult to get a close match without going to a much heavier tire. I'm sure I could fit a 245 under there with some planning, but that's a 4lb/tire difference or so in the worst place to put it.
In the grand scheme of things, this is all splitting hairs. I'm not going to be worrying about hundredths of a second in this car. Even worrying about 1lb is a bit excessive. So I'm trying to temper my choices with a bit of rationality.