will an 18 by 7.5 inch rim fit on my 94 caddy SLS with out any clearance problems such as rubbing etc on splash guards?

you guys know that this forum ****ing sucks balls. there is NO ****ING HELP to be found here so peace[:@]

what profile are the tires ? they sould fit unless if u put truck tires on the rims. i'm gettin 20's with 35 tires and i know they dont rub