Full specs1974 Ginetta G21S specifications
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| bodywork | |||
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| Body type | 2+2 seater fixed-head coupé | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2311 mm | 91 inches | |
| Track/tread (front) | |||
| Track/tread (rear) | |||
| Length | 3975 mm | 156.5 inches | |
| Width | 1600 mm | 63 inches | |
| Height | 1168 mm | 46 inches | |
| Ground clearance | 127 mm | 5 inches | |
| length:wheelbase ratio | 1.72 | ||
| Kerb weight | 737 kg | 1625 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 | Hillman | ||
| Engine code | |||
| Cylinders | Straight 4 | ||
| Capacity | 1.7 litre 1725 cc (105.266 cu in) |
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| Bore × Stroke | 81.5 × 82.65 mm
3.21 × 3.25 in |
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| Bore/stroke ratio | 0.99 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 8 valves in total |
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| maximum power output (DIN) |
99 PS (98 bhp) (73 kW) at 5200 rpm |
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| maximum torque (DIN) |
144 Nm (106 ft·lb) (14.7 kgm) at 4000 rpm |
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| Specific output (DIN) |
42.4 kW/litre 57.6 ps/litre 56.8 bhp/litre 0.93 bhp/cu in |
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| Specific torque (DIN) |
83.48 Nm/litre
1.01 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | 9.6:1 | ||
| Fuel system | 2 We carbs | ||
| bmep (brake mean effective pressure) | 1049 kPa (152.1 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 431.25 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 | Higher is better 134.82 PS/tonne (1000 kg) 0.13 PS/kg 99.16 kW/tonne (1000 kg) 0.1 kW/kg 132.97 bhp/tonne (1000 kg) 0.13 bhp/kg 0.06 bhp/lb |
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| Weight-to-power ratio | Lower is better 10.09 kg/kW 16.85 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 | |||
| Front suspension | I.CS. | ||
| Rear suspension | LA.CS. | ||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | 165-13 | ||
| Tyres rear | 165-13 | ||
| Brakes F/R | Di/Dr | ||
| Front brake diameter | 244 mm | ||
| Rear brake diameter | 229 mm | ||
| Braked area | 1890 cm2 | ||
| Gearbox | 4 speed manual | ||
| Top gear ratio | 0.8 | ||
| Final drive ratio | 3.70 | ||
| general | |||
| Carfolio.com ID | 99957 | ||
| Production total | |||
| Model code | |||
| RAC rating | 16.5 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1974 Ginetta G21S added 2002-10-24. Last modified 2013-02-28. |
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