"I've got a '68 Valiant with a blowed engine, and a '54 Jimmy pickup with a busted rear but a real good motor. …" We shouldn't have to tell you this is the wrong reason to attempt an engine swap, but ...

If you polled a room full of hardcore car guys and asked them, "What is the one thing that excites you the most about hot rods?" there's a strong probability that "engines" will be their ...