Putting 2007 17inch gt mustang rims and tires on 68 mustang coupe?

have just replaced bushing, ball joints, lower control arms, upper control arms, strut rod bushings, sway bar, bushings lower control arm bushings upper control arm rod kit bake kit brake pads brake hubs and have changed from l6 4 lug to v8 5lug spindles and hubs now im going to use a set of polished aluminum 2007 gt rims and tires 245-45-17