Automotive engines in small, single-prop aircraft aren't anything new. Aviation enthusiast and small aircraft owners have been swapping LS V8s into planes for years. Some of them are DIY projects, ...

Subaru built the only twin turbo flat four in a production car. Here is how this rare EJ20 setup worked, why it struggled, ...

Subaru is a brand that's known to do things a bit differently than other mainstream car manufacturers. All but one of its cars come with standard all-wheel-drive, it has a historic commitment to ...

Back in the 1960s, Subaru brought the boxer engine closer to mass market buyers, after Porsche put it into its very first sports cars. By this time, the automotive world existed mostly on inline and V ...

All internal combustion engines require some kind of maintenance. (If that's news to you, your car probably needs to be inspected by a mechanic.) But there are different types of internal combustion ...

Since picking up his first set of MicroMachine toy cars as a toddler, Chris knew he had a passion for automobiles embedded in his soul. It wasn't until he started flipping through car magazines a ...

The plastic cover of a Subaru Boxer engine showing the Subaru constellation logo - Topuria Design/Shutterstock Flat engines are horizontally-opposed piston engines, and this group includes Boxer ...

H4 engines are horizontally opposed four-cylinder engines also commonly known by names like flat-four and boxer. For comparison, most four-cylinder automobile engines are upright inline designs. The ...