I might have found a set of wheels but they came off a S2000 and they are sized 18x7.5 +50 in front and 18x8 +50 rear. Now if I put all the same size tires on these (225/40/18) and only rotate them front to rear, does anyone see any problem in doing this?

 

You should be fine.

 

Thanks NSXNEXT I can always count on you for sage like advice on wheels!

 

And they have the same center bore 70.1 mm so you won't even need to use hubcentric rings.