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.

Right out of the gate, let's put the Hemi question about the Predator 212cc Ghost Kart Racing engine to rest. Despite all the rumors surrounding the engine and its domed cylinder head combustion ...

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 ...