Half the crowd cheers, half winces — and both sides have a point.

While motorcycles might not have something as popular as an LS engine swap, there are plenty of bike owners who replace their existing motor with something stronger. It might seem like a daunting task ...

"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 ...

At this point, mixing and matching the Big Three U.S. auto manufacturers' V-8 powerplants, both internally and across all brands of vehicles—engine-swapping, if you will—is a tried-and-true practice.

While engine swaps are common in project cars and tuners, motorcycle engine swaps are way less common because they require a lot of planning beforehand.