Originally Posted by Porschefile
Do 255/275. 245/265 is kinda crappy for hard/track driving on a 3700# 414hp car. It feels worlds better with 275+. The 220m aren't wide enough to run more than 275/255 though without being very balooned, and balooned tires don't grip as well.
TL;DR: 275/255 will work well.
If I go with 255/275 on 220m wheels, should I decrease the aspect ratio to 30 on both or leave it at 35?