1978 Mazda RX-7 specifications
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| bodywork | |||
|---|---|---|---|
| Body type | 2+2 seater fixed-head coupé | ||
| Number of doors | |||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2421 mm | 95.3 inches | |
| Track/tread (front) | 1420 mm | 55.9 inches | |
| Track/tread (rear) | 1400 mm | 55.1 inches | |
| Length | 4285 mm | 168.7 inches | |
| Width | 1674 mm | 65.9 inches | |
| Height | 1270 mm | 50 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.77 | ||
| Kerb weight | 1024 kg | 2258 lb | |
| Weight distribution | |||
| fuel tank capacity | |||
| aerodynamics | |||
| Drag coefficient | 0.36 | ||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Mazda | ||
| Engine code | |||
| Cylinders | RC 2 | ||
| Capacity | 2.3 litre 2292 cc (139.866 cu in) |
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| Bore × Stroke | |||
| Bore/stroke ratio | |||
| Valve gear | |||
| maximum power output | 106 PS (105 bhp) (78 kW) at 6000 rpm |
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| maximum torque | 144 Nm (106 ft·lb) (14.7 kgm) at 4000 rpm |
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| Specific output | 34.2 kW/litre 46.4 ps/litre 45.8 bhp/litre 0.75 bhp/cu in |
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| Specific torque |
62.83 Nm/litre
0.76 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | 9.4:1 | ||
| Fuel system | 1 Nikki carburettor | ||
| bmep (brake mean effective pressure) | |||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 1146 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | 9.5 s | ||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 185 km/h (115 mph) | ||
| Power-to-weight ratio | Higher is better 103.96 PS/tonne (1000 kg) 0.1 PS/kg 76.46 kW/tonne (1000 kg) 0.08 kW/kg 102.54 bhp/tonne (1000 kg) 0.1 bhp/kg 0.05 bhp/lb |
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| Weight-to-power ratio | Lower is better 13.08 kg/kW 21.85 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 | |||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | |||
| Tyres rear | |||
| Brakes F/R | |||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | |||
| Top gear ratio | 0.83 | ||
| Final drive ratio | 3.91 | ||
| general | |||
| Carfolio.com ID | 33044 | ||
| Production total | |||
| Model code | |||
| Model family | SA22C | ||
| RAC rating | |||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1978 Mazda RX-7 added before December 1995. Last modified 2013-02-28. |
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Mazda RX-7 - SA22C models
2 door fixed-head coupé FR 5M 2292 cm3/139.9cuin 165 PS 163 bhp 122 kW 1020 kg
2 door fixed-head coupé FR 5M 2292 cm3/139.9cuin 130 PS 128 bhp 95 kW 995 kg
2 door fixed-head coupé FR 4A 2292 cm3/139.9cuin 130 PS 128 bhp 95 kW
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