to answer your question yes they will fit.......i have 18 x 7.5, with 215 tires........with stock springs, slight rubbing when 4 people are in the car, only on bumps and dips, stiffer springs no rubbing due to no bouncing........hope that helps some......also, depending on what your purpose may be, as my purpse is not necessarily to go as fast as others, i just want to look good......besides they dont hurt acceleration that bad anyways........but 18's on the contour look sweet as hell! i think they are just the right size........dont regret goin that big at all! 
-chris-
96 gl: 18" adr reactions, SVT rear bumper & side-skirts, Magnaflow exhaust, CTA Intake, ACCEL coil, 9mm wires, Kenwood, Blaupunkt, Sony Xplod Mobile ES, OBX pedals w/dead pedal, neons, bnmotorsports gauges, autometer monster tach, and ZAINO!
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