The idea of visiting a hardware store with the intent to purchase an entire pre-built engine feels a little strange on paper, but as it happens, Harbor Freight actually has quite a few small engines ...

Engine swaps make the world a better place -- there’s no question about that. Have an old Mazda Miata and want to go fast? Easy! Slap a V8 under the hood and you’ve solved your performance problem.

Some people go to Harbor Freight, see the cheap Predator engines on the shelves, then decide to fit the little things into a car. The results tend to be pretty pathetic, but one charming YouTuber made ...