Swapping more powerful engines from other manufacturers into project cars is nothing new, but stuffing an Audi 2.7T behind a Porsche 911‘s rear wheels might be. Renn27 is doing just that, and it’s a ...

An engine swap should be a joyous occasion, but this mechanic turned the process into a nightmare for more than 70 owners — and was jailed for his efforts.

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.

"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 ...