The Crown Convertible is a motor vehicle from Imperial, with rear wheel drive, a front positioned engine and a 2 door convertible/cabriolet body style.
The Imperial Crown Convertible is one of the PY1-M9 Crown range of cars from Imperial.
Its engine is a naturally aspirated petrol, 6.7 litre, overhead valve 90 degree V 8 cylinder with 2 valves per cylinder. This powerplant develops 350 bhp (355 PS/261 kW) of power at 4600 rpm, and maximum torque of 637 N·m (470 lb·ft/65 kgm) at 2800 rpm.
A 3 speed automatic transmission delivers the power to the wheels.
Full specs
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| bodywork | |||
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| Body type | 4/5 seater convertible/cabriolet | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 3277 mm | 129 inches | |
| Track/tread (front) | 1570 mm | 61.8 inches | |
| Track/tread (rear) | 1580 mm | 62.2 inches | |
| Length | 5748 mm | 226.3 inches | |
| Width | 2045 mm | 80.5 inches | |
| Height | 1471 mm | 57.9 inches | |
| Ground clearance | 142 mm | 5.6 inches | |
| length:wheelbase ratio | 1.75 | ||
| Kerb weight | |||
| Weight distribution | |||
| fuel tank capacity | 87.1 litres | 19.2 [23] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Chrysler | ||
| Engine code | |||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 6.7 litre 6746 cc (411.666 cu in) |
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| Bore × Stroke | 106.17 × 95.25 mm
4.18 × 3.75 in |
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| Bore/stroke ratio | 1.11 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 16 valves in total |
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| maximum power output (gross) |
355 PS (350 bhp) (261 kW) at 4600 rpm |
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| maximum torque (gross) |
637 Nm (470 ft·lb) (65 kgm) at 2800 rpm |
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| Specific output (gross) |
38.7 kW/litre 52.6 ps/litre 51.9 bhp/litre 0.85 bhp/cu in |
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| Specific torque (gross) |
94.43 Nm/litre
1.14 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 10.1:1 | ||
| Fuel system | 1 Carter BBD carburettor | ||
| bmep (brake mean effective pressure) | 1186.6 kPa (172.1 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 843.25 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 | |||
| Weight-to-power ratio | |||
| 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 | 9.00 x 14 | ||
| Tyres rear | 9.00 x 14 | ||
| Brakes F/R | Dr/Dr-S | ||
| Front brake diameter | 305 mm | ||
| Rear brake diameter | 305 mm | ||
| Braked area | |||
| Gearbox | 3 speed automatic | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 2.93 | ||
| general | |||
| Carfolio.com ID | 768537 | ||
| Production total | |||
| Model code | 25 | ||
| Model family | PY1-M9 Crown | ||
| RAC rating | 55.9 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1960 Imperial Crown Convertible added 2022-08-27. Last modified 2022-08-28. |
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