Are you trying to make this thing an immaculate conception or a real, drivable car? THAT is the question and who, if you did a clean job of it, would ever know you'd done it? When I cut off my old, rotten cowl, I looked at that # and realized what it was; then I threw it in the garbage with the rest of the rotten metal and never thought about it again. Your car, your call. Just my