As far I know the only diff between them is the sidemarker, so is posible to make it, just like 71 and 72 b bodies, 70/71 and 72/74 E Bodies, 70/71 and 72 Darts, and 67/69 with 73/76 Darts and 67, 68 and 69 Barracudas. Maybe it happens the same with some C bodies.