Alfa Romeo 8-cylinder F1 engine
Alfa Romeo has made three 8-cylinder Grand Prix racing engines designed for both Formula One and sports car racing; in both inline and V engine configurations. Their first was the supercharged 158/159, a straight-eight engine, with the 1.5 L engine configuration imposed by the FIA for forced induction engines, in 1950. After a 20-year gap, their second engine was the Tipo 33 engine, a 3-liter naturally-aspirated V8 engine, in 1970. Their third and final engine was the turbocharged 890T V8 engine in 1983, which was used by both Alfa Romeo until 1985, and Osella until 1988, until Alfa Romeo eventually pulled out of F1 that same year.
| Alfa Romeo 8-cylinder F1 engine | |
|---|---|
| Overview | |
| Manufacturer | Alfa Romeo |
| Production | 1950–1951, 1970–1971, 1983–1988 |
| Layout | |
| Configuration | 90° V-8 L-8 |
| Displacement | 1.5–3.0 L (91.5–183.1 cu in) |
| Cylinder bore | 58 mm (2.3 in) |
| Piston stroke | 70 mm (2.8 in) |
| Compression ratio | 7.5:1 |
| Combustion | |
| Supercharger | Supercharged (1950-1951) Naturally-aspirated (1970-1971) Turbocharged (1983-1988) |
| Fuel system | Carburetor/Electronic fuel injection |
| Fuel type | Methanol/Gasoline |
| Cooling system | Water-cooled |
| Output | |
| Power output | 190–780 hp (142–582 kW; 193–791 PS) |
| Torque output | approx. 150–350 lb⋅ft (203–475 N⋅m) |
| Dimensions | |
| Dry weight | 165 kg (364 lb) |
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