I installed the chrome wheels off my Saleen to see how the car looked and drove. I went back to the stock setup as it did handle better overall. I had the 18" Chrome Saleen wheel with 265/35/18 (P-Zero) in front and 295/35/18 in the back. The car will need to be lowered in order to reduce the gap. In fact I thought the gap looked worse with the Saleen wheels. If I can find the pictures I took at NTB during the swap I will pm them to you.
I read the same about the 17" wheel being optimal for handling the twisties, I suspect the '00 R had 18's because although it is street legal, it's purpose built for the race track, and ride comfort was less of a concern than with the '03. Anyhow, in response the original post-these are my personal favorites: www.fikse.com FM/5
yeah the fikse FM5s are awesome, i was going to get a set when i had my supra TT (18x9/18x11) till they priced out at $5000-6000 with tires. i think the guys name is wes, not sure though, but his screen name is WA 2 FAST, has a lot of nice cars including a 5.0 LX hatch with FM5s (17s). i was thinking of going with the American Racing Torque thrust IIs (polished) 18x9.5 up front, 18x11 out back, maybe 265s up front, and as big as i can fit in the rear 315??
On their home page they show a nice twisted spoke design which would look nice with both sides rotating the same way. Since they are all custom made, don't see why they couldn't do that.
18's were stated by Coletti as negatively affecting the handling. C&D found this out in a test a few years ago. The larger rims (18 and bigger) have a really different moment of inertia profile - unless the suspension is radically changed, handling can be negatively affected. Also keep in mind that unless you change pressure, the contact patch may not be improved even with tire widths larger than the 275's. Point is, without the engineering savvy and instrumentation of the chassis engineers, changing the stock setup out can be a slippery slope.