with in-line water-cooled front-mounted iron 4 or 6 cylinder engines. In contrast, the Corvair's powerplant was an aluminum , air-cooled 140 in³ (2.3 L) flat-6 engine . The first Chevrolet Corvair engine produced as little as 80 hp (60 kW). Later versions developed as much as 180 hp (134 kW), comparable