The Ambassador 990 Convertible is a rear wheel drive convertible/cabriolet car with a front placed engine, produced by Rambler.
Powering the Rambler Ambassador 990 Convertible is an overhead valve, 5.4 litre naturally aspirated 8 cylinder motor, with 2 valves per cylinder that produces power and torque figures of 270 bhp (274 PS/201 kW) at 4700 rpm and 488 N·m (360 lb·ft/49.8 kgm) at 2600 rpm respectively.
Power is transferred to the wheels via a 3 speed manual with overdrive gearbox.
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 | 2946 mm | 116 inches | |
| Track/tread (front) | 1488 mm | 58.6 inches | |
| Track/tread (rear) | 1461 mm | 57.5 inches | |
| Length | 5080 mm | 200 inches | |
| Width | 1892 mm | 74.5 inches | |
| Height | 1397 mm | 55 inches | |
| Ground clearance | 152 mm | 6 inches | |
| length:wheelbase ratio | 1.72 | ||
| Kerb weight | |||
| Weight distribution | |||
| fuel tank capacity | 72 litres | 15.8 [19] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | AMC | ||
| Engine code | |||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 5.4 litre 5354 cc (326.721 cu in) |
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| Bore × Stroke | 101.6 × 82.55 mm
4 × 3.25 in |
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| Bore/stroke ratio | 1.23 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 16 valves in total |
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| maximum power output (gross) |
274 PS (270 bhp) (201 kW) at 4700 rpm |
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| maximum torque (gross) |
488 Nm (360 ft·lb) (49.8 kgm) at 2600 rpm |
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| Specific output (gross) |
37.6 kW/litre 51.1 ps/litre 50.4 bhp/litre 0.83 bhp/cu in |
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| Specific torque (gross) |
91.15 Nm/litre
1.1 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 9.7:1 | ||
| Fuel system | 1 Carter carburettor | ||
| bmep (brake mean effective pressure) | 1145.4 kPa (166.1 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 669.25 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 | 7.75 x 14 | ||
| Tyres rear | 7.75 x 14 | ||
| Brakes F/R | Di/Dr-S | ||
| Front brake diameter | 284 mm | ||
| Rear brake diameter | 254 mm | ||
| Braked area | |||
| Gearbox | 3 speed manual | ||
| Top gear ratio | |||
| Final drive ratio | |||
| general | |||
| Carfolio.com ID | 500313 | ||
| Production total | |||
| Model code | |||
| RAC rating | 51.2 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1965 Rambler Ambassador 990 Convertible added 2016-11-27. Last modified 2020-03-16. |
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