my wife and i are both in afghanastan right now and some *** clown stole and crashed her g. im getting her the apr widebody kit since itll help cover up some of the damage and for other reasons. but my question is how do i figure out the wheel offset deal. i want to buy her the gold works vs xx wheels. i was gonna go 18x7.5 up front and the 18x9 in the rear. how do i not **** this up? all help would be appreciated