I have a second set of rims with snow tires for the winter. I am not an expert on rim/tire sizing, however if the cup wheels are the regular Porsche 17" size, I would recommend going as narrow as possible. When I replace my snow tires later this year I will be going for 205/50/17 and 225/45/17.
Here is a PDF that will help:
__________________
1999 Ocean Blue Metallic Boxster - blueboxster.com
|