http://www.rx7.org/public/tiresize.html You may find this useful. > i'd say 215/45/16 would be a better, safer choice(safer as in sidewall > protection) > > I've got a question. I'm looking at 215/40-16 for my sedan 20v. Anybody > run these? I'm a bit afraid, but then again, it's only TEN more mm. than > my 205/50-15 tire/wheel combo now.