I got a 2001 ford mustang convertible stock as of right now I got a free set a rims from a friend but there 18x7.5 they have 235 40 18s on them right now 2 are good but the other 2 are garbage so wondering what tire setup I can run on 7.5 rims was thinking 245 45 18 but not sure if they rub any advice would be appreciated thanks