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March 811 Cosworth F1, 1981
| Manufacturer | March |
| Model | 811 Cosworth F1 |
| Year of production | 1981 |
| Start of production | 1981 |
| End of production | 1981 |
| Body type |
monopost |
| Number of doors | 0 |
| Number of seats | 1 |
| Engine position |
mid |
| Drive wheel |
rear |
| Fuel |
petrol |
| Number of cylinders |
V8 |
| Cooling |
liquid |
| Capacity | 2993 ccm, 181.8 cu-in |
| Bore | 85.7 mm, 3.374 in |
| Stroke | 64.8 mm, 2.551 in |
| Compression ratio | 11.5:1 |
| Valve Gear |
DOHC |
| Valves per cylinder | 4 |
| Fuel system |
injection, Lucas |
| Aspiration |
normal |
| Max power [kW / PS / hp] |
366 / 498 / 491 at 10750 rpm |
| Max torque [Nm / ft-lb] |
353 / 260 at 9000 rpm |
| Total power (hybrid) | |
| Total torque (hybrid) |
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| Gearbox | M5 |
| Gearbox (option) | |
| Wheelbase | |
| Front track | |
| Rear track | |
| Length | |
| Width | |
| Height | |
| Weight | 590 kg, 1301 lb |
| Maximum speed |
300 km/h, 186 mph |
| 0-100 km/h | |
| Standing km | |
| Foto: Z.Patera Auta5P, Most Historic GP 2018 |
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