Maserati V12 engine
Maserati made four naturally-aspirated, V12 racing engines, designed for Formula One; between 1951 and 1969. The first was an experimental O.S.C.A. engine; in accordance with the 4.5 L engine regulations imposed by the FIA for 1951. Their second engine was 250 F1 V12; in accordance with the 2.5 L engine regulations set by the FIA. Their last two V12 engines were customer engines supplied to Cooper; between 1966 and 1969. The Tipo 9 / F1 and Tipo 10 /F1, which were both manufactured to the FIA's 3.0 L engine regulations for 1966. One sports car, a modified version of the Maserati 350S, also used V12 engine, with a 3.5 L (210 cu in) displacement, and produced 335 hp (250 kW).
| Maserati V-12 engine | |
|---|---|
| Overview | |
| Manufacturer | Maserati |
| Production | 1951, 1957, 1966–1969 |
| Layout | |
| Configuration | 60° V-12 |
| Displacement | 2.5–4.5 L (152.6–274.6 cu in) |
| Cylinder bore | 52.2–70.4 mm (2.06–2.77 in) |
| Piston stroke | 52–64 mm (2.0–2.5 in) |
| Valvetrain | 48-valve, DOHC, 3-valves per cylinder to 4-valves per cylinder |
| Compression ratio | 10:1-12.0:1 |
| Combustion | |
| Fuel system | Carburetor / Fuel injection |
| Fuel type | Gasoline |
| Cooling system | Water-cooled |
| Output | |
| Power output | 315–400 hp (235–298 kW; 319–406 PS) |
| Torque output | approx. 165–279.5 lb⋅ft (224–379 N⋅m) |
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