What type of engine is a lycoming 0 320?
The Lycoming O-320 is a large family of naturally aspirated, 320 cu in (5. L) air-cooled, horizontally-opposed four-cylinder, direct-drive engines produced by Lycoming Engines. Introduced in 1953, it is commonly used on light aircraft such as the Cessna 172 and Piper Cherokee, and remains in production as of 2024. The Lycoming O-320-E2D is a horizontally opposed, four-cylinder aircraft piston engine designed for general aviation applications.