Vanwall straight-four engine
| Vanwall 254 | |
|---|---|
| Overview | |
| Manufacturer | Vanwall |
| Production | 1954–1960 |
| Layout | |
| Configuration | I4, |
| Displacement | 2.2–2.5 L (134–153 cu in; 2,200–2,500 cc) |
| Cylinder bore | 86–96 mm (3.4–3.8 in) |
| Piston stroke | 86 mm (3.4 in) |
| Cylinder block material | Aluminum |
| Cylinder head material | Aluminum |
| Valvetrain | 8-valve, DOHC, two-valves per cylinder |
| Combustion | |
| Fuel system | Carburetor Fuel injection |
| Oil system | Dry sump |
| Cooling system | water-cooled |
| Output | |
| Power output | 210–308 hp (157–230 kW) |
| Torque output | 170–215.8 lb⋅ft (230–293 N⋅m) |
| Dimensions | |
| Dry weight | ~ 163 kg (359 lb) |
The Vanwall 254 is a four-stroke 2.2–2.5 L (130–150 cu in) DOHC naturally-aspirated straight-four engine, designed, developed and built by British manufacturer Vanwall, for the Vanwall Grand Prix series of cars, between 1954 and 1960.