u shouldnt really have a prob rubbing w/ 17z-- i yusta have a (f)3.25"/(r)3.5" drop & 17" focalz w/a 45series tire & i Neva had a rubbing problem...
I drove my car really hard all tha time too-- i had tokico whitez -- although w/ in 6months i managed to Blow out all tha shockz...