The Ambassador 990-H Hardtop Twin-Stick is a passenger car from Rambler, with rear wheel drive, a front mounted engine and a 2 door coupé body style.
It's powered courtesy of a naturally aspirated engine of 3.8 litre capacity. This powerplant features overhead valve valve gear, 6 cylinder layout, and 2 valves per cylinder. It has an output of 155 bhp (157 PS/116 kW) of power at 4400 rpm, and maximum torque of 301 N·m (222 lb·ft/30.7 kgm) at 1600 rpm.
The engine supplies its power through to the wheels via a 3 speed manual with overdrive 'box.
Full specs
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| bodywork | |||
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| Body type | 4/5 seater fixed-head coupé | ||
| 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 | 1369 mm | 53.9 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 | Straight 6 | ||
| Capacity | 3.8 litre 3805 cc (232.195 cu in) |
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| Bore × Stroke | 95.3 × 88.9 mm
3.75 × 3.5 in |
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| Bore/stroke ratio | 1.07 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 12 valves in total |
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| maximum power output (gross) |
157 PS (155 bhp) (116 kW) at 4400 rpm |
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| maximum torque (gross) |
301 Nm (222 ft·lb) (30.7 kgm) at 1600 rpm |
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| Specific output (gross) |
30.4 kW/litre 41.3 ps/litre 40.7 bhp/litre 0.67 bhp/cu in |
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| Specific torque (gross) |
79.11 Nm/litre
0.96 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 8.5:1 | ||
| Fuel system | 1 Carter carburettor | ||
| bmep (brake mean effective pressure) | 994.1 kPa (144.2 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 7 | ||
| Engine coolant | Water | ||
| Unitary capacity | 634.17 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 | 7.35 x 14 | ||
| Tyres rear | 7.35 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 | 497519 | ||
| Production total | |||
| Model code | |||
| RAC rating | 33.8 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1965 Rambler Ambassador 990-H Hardtop Twin-Stick added 2016-10-09. Last modified 2020-03-16. |
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