what engine is in a corvair?
The Chevrolet Corvair engine was a Flat-6 (or Boxer engine) Piston engine used exclusively in the 1960s Chevrolet Corvair automobile. It was a highly unusual engine for General Motors Corporation: It was Air-cooled, used a Flat engine, with Aluminum heads (incorporating integral Intake manifold) and Crankcase, with individual iron cylinder barrels.