[QUOTE=NT-ACR;249278]
Quote Originally Posted by BlueAdder View Post

Yes, they do fit. Guys like the 18'' rim because it allows them to use a wider variety of track oriented tires from semi slicks like Hoosiers to full slicks like the ones from Michelin and Pirelli.

The reason they've gone with a larger front tire is to reduce the understeer that some have experienced. Also, while it does take some adjustment, the guys seem to not be having issues with clearance once the cars are properly set up.
Do you mean more negative cambet to avoid rubbing or ride height change?