1977 MG MGB GT specifications
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| bodywork | |||
|---|---|---|---|
| Body type | 2+2 seater fixed-head coupé | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2311 mm | 91 inches | |
| Track/tread (front) | 1245 mm | 49 inches | |
| Track/tread (rear) | 1251 mm | 49.3 inches | |
| Length | 4020 mm | 158.3 inches | |
| Width | 1568 mm | 61.7 inches | |
| Height | 1295 mm | 51 inches | |
| Ground clearance | 127 mm | 5 inches | |
| length:wheelbase ratio | 1.74 | ||
| Kerb weight | 1108 kg | 2443 lb | |
| Weight distribution | 52% front | ||
| fuel tank capacity | 50 litres | 11 [13.2] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Austin | ||
| Engine code | |||
| Cylinders | Straight 4 | ||
| Capacity | 1.8 litre 1799 cc (109.782 cu in) |
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| Bore × Stroke | 80.26 × 88.9 mm
3.16 × 3.5 in |
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| Bore/stroke ratio | 0.9 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 8 valves in total |
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| maximum power output (DIN) |
85 PS (84 bhp) (63 kW) at 5500 rpm |
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| maximum torque (DIN) |
143 Nm (105 ft·lb) (14.6 kgm) at 2500 rpm |
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| Specific output (DIN) |
34.8 kW/litre 47.3 ps/litre 46.7 bhp/litre 0.77 bhp/cu in |
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| Specific torque (DIN) |
79.49 Nm/litre
0.96 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | 9:1 | ||
| Fuel system | 2 SU HIF4 carbs | ||
| bmep (brake mean effective pressure) | 998.9 kPa (144.9 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 449.75 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | 9.3 s | ||
| Acceleration 0-60mph | 14 s | ||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | 19.1 s
@ 70 mph |
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| Standing kilometre | 36.4 s
@ 146 km/h |
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| Maximum speed | 159 km/h (99 mph) | ||
| Power-to-weight ratio | Higher is better 76.87 PS/tonne (1000 kg) 0.08 PS/kg 56.53 kW/tonne (1000 kg) 0.06 kW/kg 75.81 bhp/tonne (1000 kg) 0.08 bhp/kg 0.03 bhp/lb |
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| Weight-to-power ratio | Lower is better 17.69 kg/kW 29.55 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 | rack & pinion | ||
| turns lock-to-lock | |||
| Turning circle | 10.40 m | ||
| Front suspension | I.CS.W. | ||
| Rear suspension | LA.SE. | ||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | Pirelli Cinturato 165 SR 14 | ||
| Tyres rear | Pirelli Cinturato 165 SR 14 | ||
| Brakes F/R | Di/Dr-S | ||
| Front brake diameter | 273 mm | ||
| Rear brake diameter | 254 mm | ||
| Braked area | |||
| Gearbox | 4 speed manual | ||
| Top gear ratio | 0.82 | ||
| Final drive ratio | 3.91 | ||
| general | |||
| Carfolio.com ID | 102652 | ||
| Production total | |||
| Model code | |||
| RAC rating | 16.0 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1977 MG MGB GT added 2002-11-18. Last modified 2013-02-28. |
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