Automotive Engines-A Viable Alternative for Aircraft

The current status of automotive liquid-cooled aircraft engine conversions is described with respect to the air-cooled powerplants they replace. A brief historical background is included along with information on some of the most recent applications of automotive engines in aircraft. The gains in efficiency, improvement in performance, and reduction of noise level, vibration, and cost are plus factors to be considered when comparing automotive engine conversions to conventional air-cooled aircraft engines.