A flat engine is an internal combustion engine with multiple pistons that all move in the horizontal plane. ... Flat engines have a lower center of gravity than any other common ...

A flat engine is an internal combustion engine with pistons that are all relatively horizontal. ... Flat engines with more than eight cylinders are most commonly V engines. ...

For the last several years, many engine builders and individual hotrodders have experienced a raft of seemingly unexplained flat-tappetcamshaft lobe failures. ...