The Morgan Plus 4 Roadster is a rear wheel drive vehicle, with the motor positioned in the front, and a 2 door roadster bodyshell.
It is powered by a naturally aspirated engine of 2 litre capacity. This powerplant features overhead valve valve gear, 4 cylinder layout, and 2 valves per cylinder. It has an output of 114 bhp (116 PS/85 kW) of power at 5500 rpm, and maximum torque of 175 N·m (129 lb·ft/17.8 kgm) at 3500 rpm.
A 4 speed manual gearbox transfers the power to the driven wheels.
Stated kerb weight is 835 kg.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 2 seater roadster | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2440 mm | 96.1 inches | |
| Track/tread (front) | 1170 mm | 46.1 inches | |
| Track/tread (rear) | 1170 mm | 46.1 inches | |
| Length | 3660 mm | 144.1 inches | |
| Width | 1420 mm | 55.9 inches | |
| Height | 1320 mm | 52 inches | |
| Ground clearance | 160 mm | 6.3 inches | |
| length:wheelbase ratio | 1.5 | ||
| Kerb weight | 835 kg | 1841 lb | |
| Weight distribution | |||
| fuel tank capacity | 50 litres | 11 [13.2] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Triumph | ||
| Engine code | |||
| Cylinders | Straight 4 | ||
| Capacity | 2 litre 1991 cc (121.498 cu in) |
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| Bore × Stroke | 83 × 92 mm
3.27 × 3.62 in |
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| Bore/stroke ratio | 0.9 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 8 valves in total |
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| maximum power output (DIN) |
116 PS (114 bhp) (85 kW) at 5500 rpm |
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| maximum torque (DIN) |
175 Nm (129 ft·lb) (17.8 kgm) at 3500 rpm |
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| Specific output (DIN) |
42.7 kW/litre 58.1 ps/litre 57.3 bhp/litre 0.94 bhp/cu in |
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| Specific torque (DIN) |
87.9 Nm/litre
1.06 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 9:1 | ||
| Fuel system | 2 SU H 6 carburettors | ||
| bmep (brake mean effective pressure) | 1104.5 kPa (160.2 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 497.75 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 138.42 PS/tonne (1000 kg) 0.14 PS/kg 101.81 kW/tonne (1000 kg) 0.1 kW/kg 136.53 bhp/tonne (1000 kg) 0.14 bhp/kg 0.06 bhp/lb |
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| Weight-to-power ratio | Lower is better 9.82 kg/kW 16.41 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 | front | ||
| 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 | 5.60-15 | ||
| Tyres rear | 5.60-15 | ||
| Brakes F/R | Di/Dr | ||
| Front brake diameter | 280 mm | ||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 4 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.73 | ||
| general | |||
| Carfolio.com ID | 549010 | ||
| Production total | |||
| Model code | |||
| RAC rating | 17.1 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1962 Morgan Plus 4 Roadster added 2018-03-31. Last modified 2020-03-16. |
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