Full specs1970 Lotus Seven S4 specifications
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| bodywork | |||
|---|---|---|---|
| Body type | 2 seater roadster | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2286 mm | 90 inches | |
| Track/tread (front) | 1245 mm | 49 inches | |
| Track/tread (rear) | 1321 mm | 52 inches | |
| Length | 3702 mm | 145.7 inches | |
| Width | 1537 mm | 60.5 inches | |
| Height | 1124 mm | 44.3 inches | |
| Ground clearance | 114 mm | 4.5 inches | |
| length:wheelbase ratio | 1.62 | ||
| Kerb weight | 590 kg | 1301 lb | |
| Weight distribution | |||
| fuel tank capacity | 34.1 litres | 7.5 [9] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | |||
| Engine code | |||
| Cylinders | Straight 4 | ||
| Capacity | 1.6 litre 1599 cc (97.577 cu in) |
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| Bore × Stroke | 80.96 × 77.6 mm
3.19 × 3.06 in |
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| Bore/stroke ratio | 1.04 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 8 valves in total |
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| maximum power output (DIN) |
87 PS (86 bhp) (64 kW) at 5500 rpm |
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| maximum torque (DIN) |
125 Nm (92 ft·lb) (12.7 kgm) at 4000 rpm |
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| Specific output (DIN) |
40.1 kW/litre 54.5 ps/litre 53.8 bhp/litre 0.88 bhp/cu in |
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| Specific torque (DIN) |
78.17 Nm/litre
0.94 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | 9:1 | ||
| Fuel system | 1 We carb | ||
| bmep (brake mean effective pressure) | 982.4 kPa (142.5 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 399.75 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 147.79 PS/tonne (1000 kg) 0.15 PS/kg 108.7 kW/tonne (1000 kg) 0.11 kW/kg 145.76 bhp/tonne (1000 kg) 0.15 bhp/kg 0.07 bhp/lb |
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| Weight-to-power ratio | Lower is better 9.2 kg/kW 15.37 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 | 2.800 | ||
| Turning circle | 9.10 m | ||
| Front suspension | I.CS. | ||
| Rear suspension | LA.CS. | ||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | |||
| Tyres rear | |||
| Brakes F/R | Di/Dr | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | 1587 cm2 | ||
| Gearbox | 4 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.77 | ||
| general | |||
| Carfolio.com ID | 62865 | ||
| Production total | |||
| Model code | |||
| RAC rating | 16.3 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1970 Lotus Seven S4 added before December 1995. Last modified 2013-02-28. |
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