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 ...

Building a 1960s Formula 1-inspired car from scratch is something one does not only for the fun of it, but also to save some money on a top-level vintage racing experience. So when Wesley Kagan ...

Harbor Freight sells two versions of its Predator 212 engine with differing horsepower outputs. Both are four-stroke designs featuring horizontal crankshafts, recoil pull-start, and 212cc ...

The Freevalve engine impressed us mightily when Christian von Koenigsegg showed it to Jalopnik on a 2014 drive in Sweden. Today, the concept is alive and well, and Wesley Kagan, a "builder" in the ...

The last time we looked in on the ambitious Wesley Kagan, he had managed to put Koenigsegg-style Freevalve engine tech into a lowly Harbor Freight Predator engine. The little engine ran, even if it ...

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.