The Sunbeam-Talbot 90 Mk IIA is a rear wheel drive road car, with its powerplant placed in the front, and a 4 door saloon (sedan) body.
Powering the Sunbeam-Talbot 90 Mk IIA is an overhead valve, 2.3 litre naturally aspirated 4 cylinder powerplant, with 2 valves per cylinder that develops power and torque figures of 77 bhp (78 PS/57 kW) at 4100 rpm and 163 N·m (120 lb·ft/16.6 kgm) at 2400 rpm respectively.
The engine delivers its power through to the wheels by means of a 4 speed manual transmission.
The Sunbeam-Talbot 90 Mk IIA weighs a claimed 1326 kg at the kerb.
Full specs
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| bodywork | |||
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| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2477 mm | 97.5 inches | |
| Track/tread (front) | |||
| Track/tread (rear) | |||
| Length | 4267 mm | 168 inches | |
| Width | 1588 mm | 62.5 inches | |
| Height | 1543 mm | 60.7 inches | |
| Ground clearance | 171 mm | 6.7 inches | |
| length:wheelbase ratio | 1.72 | ||
| Kerb weight | 1326 kg | 2923 lb | |
| Weight distribution | |||
| fuel tank capacity | 45.5 litres | 10 [12] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Sunbeam-Talbot | ||
| Engine code | |||
| Cylinders | Straight 4 | ||
| Capacity | 2.3 litre 2267 cc (138.341 cu in) |
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| Bore × Stroke | 81 × 110 mm
3.19 × 4.33 in |
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| Bore/stroke ratio | 0.74 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 8 valves in total |
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| maximum power output | 78 PS (77 bhp) (57 kW) at 4100 rpm |
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| maximum torque | 163 Nm (120 ft·lb) (16.6 kgm) at 2400 rpm |
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| Specific output | 25.3 kW/litre 34.4 ps/litre 34 bhp/litre 0.56 bhp/cu in |
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| Specific torque |
71.9 Nm/litre
0.87 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 7.42:1 | ||
| Fuel system | 1 St carb | ||
| bmep (brake mean effective pressure) | 903.5 kPa (131 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 3 | ||
| Engine coolant | Water | ||
| Unitary capacity | 566.75 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 58.88 PS/tonne (1000 kg) 0.06 PS/kg 43.3 kW/tonne (1000 kg) 0.04 kW/kg 58.07 bhp/tonne (1000 kg) 0.06 bhp/kg 0.03 bhp/lb |
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| Weight-to-power ratio | Lower is better 23.09 kg/kW 38.57 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 | 11.10 m | ||
| Front suspension | I.CS. | ||
| Rear suspension | LA.SE. | ||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | 5.50 x 16 | ||
| Tyres rear | 5.50 x 16 | ||
| Brakes F/R | Dr/Dr | ||
| Front brake diameter | 254 mm | ||
| Rear brake diameter | 254 mm | ||
| Braked area | 1110 cm2 | ||
| Gearbox | 4 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.90 | ||
| general | |||
| Carfolio.com ID | 44429 | ||
| Production total | |||
| Model code | |||
| RAC rating | 16.3 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1954 Sunbeam-Talbot 90 Mk IIA added before December 1995. Last modified 2013-02-28. |
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