Chevrolet Corvair engine
| Corvair engine | |
|---|---|
 |
|
| Overview | |
| Manufacturer | Chevrolet |
| Combustion chamber | |
| Displacement | 140 CID (2.3L), 145 CID (2.4L), 164 CID (2.7L) |
| Cylinder block alloy | aluminum crankcase, iron cylinders |
| Cylinder head alloy | aluminum |
| Valvetrain | pushrod, hydraulic |
| Combustion | |
| Turbocharger | optional |
| Fuel system | 2 or 4 single barrel downdraft carburetors, or turbocharged single sidedraft carburetor |
| Fuel type | gasoline |
| Oil system | wet sump |
| Cooling system | air |
| Output | |
| Power output | 80, 84, 95, 98, 102, 110, 140, 150, 180 hp (130 kW) |
The Chevrolet Corvair engine is a flat-six boxer piston engine that was used in the 1960s Chevrolet Corvair automobile. It is a highly unusual engine for General Motors: It has overhead valves, air-cooled, uses a flat design, with aluminum heads (incorporating integral intake manifolds) and crankcase, with individual iron cylinder barrels.
Given the engine's air-cooling, aircraft amateur builders and small volume engine builders very quickly began a cottage industry of modifying Corvair engines for aircraft use, which continues to this day.
A conversion kit was also made that would allow the complete Corvair powertrain to be installed in the post 1967 Volkswagen Type 2.
Corvair engines, being air-cooled, have been widely used in homebuilt aircraft. Some aircraft, such as the Pro-Composites Personal Cruiser have been specifically designed for them. The defunct American company Hegy Propellers, which was based in Marfa, Texas, produced propellers specifically for Corvair engines.
The following codes (last two characters of engine serial number) identify the year, size, power, and transmission of the engine
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