When swapping an engine, what are the laws regarding this? Does the donnor car have to be the same year or newer? I had this idea of putting my brothers V-6 from his mustang into my Dastsun 210. Anyone else think this would be cool?!? I'm pretty sure the engine compartment would be long enough, but I don't know about the width. I havn't really looked into it. I have a friend that is a welder and my brothers mustang is just sitting in his drive way collecting dust. It sure would be different. I know the A series engines a reliable, is there some way I can get more then 65 HP out of it(cheaply) whithout ruining it and keeping it I/M legal?