I have 15x6.5 inch rims on the front of my 68 ltd . 15x7 rims do fit . There is a problem I have and would like you and any one who has a 68 ltd or galaxie to know.I have 1 inch front sway bar the tires I have in front is 235/60r 15's .During hard turning or mybe tight parking the tires rub on the sway bar or on the frame just a bit .It nothing dangerous,but you will have to check the side walls more often.