The Jagst 770 is a rear wheel drive sedan/saloon passenger car with a rear mounted engine, from NSU-Fiat.
The 4 cylinder, overhead valve naturally aspirated engine has 2 valves per cylinder and a volume of 0.8 litres. In this application it develops power and torque figures of 31.6 bhp (32 PS/23.6 kW) at 4800 rpm and 54 Nm (40 lbft/5.5 kgm) at 2800 rpm respectively.
The engine transfers its power through to the wheels via a 4 speed manual gearbox.
The stated weight at the kerb is 580 kg.
Full specs
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| bodywork | |||
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| Body type | 4 seater sedan/saloon | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2000 mm | 78.7 inches | |
| Track/tread (front) | 1150 mm | 45.3 inches | |
| Track/tread (rear) | 1160 mm | 45.7 inches | |
| Length | 3295 mm | 129.7 inches | |
| Width | 1380 mm | 54.3 inches | |
| Height | 1405 mm | 55.3 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.65 | ||
| Kerb weight | 580 kg | 1279 lb | |
| Weight distribution | |||
| fuel tank capacity | 27 litres | 5.9 [7.1] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Fiat | ||
| Engine code | |||
| Cylinders | Straight 4 | ||
| Capacity | 0.8 litre 767 cc (46.805 cu in) |
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| Bore × Stroke | 62 × 63.5 mm
2.44 × 2.5 in |
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| Bore/stroke ratio | 0.98 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 8 valves in total |
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| maximum power output (SAE) |
32 PS (31.6 bhp) (23.6 kW) at 4800 rpm |
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| maximum torque (SAE) |
54 Nm (40 ft·lb) (5.5 kgm) at 2800 rpm |
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| Specific output (SAE) |
30.7 kW/litre 41.8 ps/litre 41.2 bhp/litre 0.68 bhp/cu in |
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| Specific torque (SAE) |
70.4 Nm/litre
0.85 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 7.5:1 | ||
| Fuel system | 1 Weber 28 ICP carburettor | ||
| bmep (brake mean effective pressure) | 884.7 kPa (128.3 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 191.75 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | |||
| Power-to-weight ratio | Higher is better 55.24 PS/tonne (1000 kg) 0.06 PS/kg 40.63 kW/tonne (1000 kg) 0.04 kW/kg 54.48 bhp/tonne (1000 kg) 0.05 bhp/kg 0.02 bhp/lb |
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| Weight-to-power ratio | Lower is better 24.61 kg/kW 41.11 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| Carbon dioxide emissions | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| chassis | |||
| Engine position | rear | ||
| Engine layout | longitudinal | ||
| Drive wheels | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | |||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | 5.20-12 | ||
| Tyres rear | 5.20-12 | ||
| Brakes F/R | Dr/Dr | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 4 speed manual | ||
| Top gear ratio | 0.9 | ||
| Final drive ratio | 4.88 | ||
| general | |||
| Carfolio.com ID | 580316 | ||
| Production total | |||
| Model code | |||
| RAC rating | 9.5 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1962 NSU-Fiat Jagst 770 added 2018-12-29. Last modified 2020-03-16. |
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