The Ambassador 990 Hardtop is a rear wheel drive saloon (sedan) motor vehicle with a front mounted engine, sold by AMC.
The 8 cylinder, overhead valve naturally aspirated engine has 2 valves per cylinder and a volume of 4.7 litres. This unit produces power and torque figures of 200 bhp (203 PS/149 kW) at 4600 rpm and 387 Nm (285 lbft/39.5 kgm) at 2800 rpm respectively.
The power is delivered to the wheels through a 3 speed automatic gearbox.
Full specs
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| bodywork | |||
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| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2997 mm | 118 inches | |
| Track/tread (front) | 1488 mm | 58.6 inches | |
| Track/tread (rear) | 1486 mm | 58.5 inches | |
| Length | 5144 mm | 202.5 inches | |
| Width | 1991 mm | 78.4 inches | |
| Height | 1361 mm | 53.6 inches | |
| Ground clearance | 152 mm | 6 inches | |
| length:wheelbase ratio | 1.72 | ||
| Kerb weight | |||
| Weight distribution | |||
| fuel tank capacity | 81.5 litres | 17.9 [21.5] 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 | 4.7 litre 4749 cc (289.802 cu in) |
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| Bore × Stroke | 95.25 × 83.31 mm
3.75 × 3.28 in |
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| Bore/stroke ratio | 1.14 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 16 valves in total |
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| maximum power output (gross) |
203 PS (200 bhp) (149 kW) at 4600 rpm |
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| maximum torque (gross) |
387 Nm (285 ft·lb) (39.5 kgm) at 2800 rpm |
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| Specific output (gross) |
31.4 kW/litre 42.7 ps/litre 42.1 bhp/litre 0.69 bhp/cu in |
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| Specific torque (gross) |
81.49 Nm/litre
0.98 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 9:1 | ||
| Fuel system | 1 Holley 2209 carburettor | ||
| bmep (brake mean effective pressure) | 1024 kPa (148.5 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 593.63 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 | 6.000 | ||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | 5½ x 14 | ||
| Wheel size rear | 5½ x 14 | ||
| Tyres front | 7.35 x 14 | ||
| Tyres rear | 7.35 x 14 | ||
| Brakes F/R | VeDi/Dr | ||
| Front brake diameter | 254 mm | ||
| Rear brake diameter | 254 mm | ||
| Braked area | |||
| Gearbox | 3 speed automatic | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.15 | ||
| general | |||
| Carfolio.com ID | 379841 | ||
| Production total | |||
| Model code | 6789-5 | ||
| RAC rating | 45.0 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1967 AMC Ambassador 990 Hardtop Automatic added 2014-11-18. Last modified 2020-02-02. |
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