Dodge once had a model called the “Swinger” which was an extremely befitting name for a company that shared their engines among a number of other car makers. If you pop the hood on a Jensen Interceptor, Dual Ghia, or one of the two and a half Monteverdi HAIs in the world, you will find Mopar iron. Engine sharing or selling has given us some wonderful cars, performance icons like the DeTomaso Pantera and Shelby’s venrable Cobra. It has also resulted in some weirder mashups, and there are even cases where engines have been sold and then re-bought again, as though the original owner had a change of heart. That’s the kind of history we’re looking for today. Engines that have seen some s**t over the course of their production lives. What do you think is the engine with the weirdest life story?