This 670cc V-twin is ready to rev and make some boost, complete with billet internals, an upgraded cam, and more.

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 ...

Do we think that this heavily modified Harbor Freight-sourced engine is stronger than the company's jackstands?

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 ...

Purchasing a small engine can be incredibly pricey. If you were to buy a Honda GX200 engine, for example, you'd be looking at spending over $450. Luckily, there are cheaper options available that are ...

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 ...

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.