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, ...

Flat engines are horizontally-opposed piston engines, and this group includes Boxer engines, but not opposed-piston engines like the Cummins 14.3L Advanced Combat Engine (ACE) designed to power tanks.

If you've ever taken a closer look at small planes or seen one being maintained, you might have spotted something interesting under the hood. The engine layout is often wide and flat, and not stacked ...

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 ...

Boxer engines feature flat, opposing pistons that move in opposite directions for smooth operation. Subaru and Porsche are primary modern users, benefiting from low center of gravity and performance.

Isaac Atienza is a Filipino motoring journalist who joined TopSpeed.com in 2021. He also owns a Filpino motoring website called Go Flat Out PH and is also a contributor to a local newspaper called The ...

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 ...