The Mercury Zephyr Sedan is a saloon (sedan) with 4 doors and a front mounted engine which delivers the power to the rear wheels.
Its 8 cylinder, overhead valve naturally aspirated engine has 2 valves per cylinder and a displacement of 4.9 litres. It produces power and torque figures of 138 bhp (140 PS/103 kW) at 3600 rpm and 338 Nm (249 lbft/34.5 kgm) at 1800 rpm respectively.
The engine supplies its power through to the wheels via a 4 speed manual transmission.
The Mercury Zephyr Sedan weighs a claimed 1306 kg at the kerb.
Maximum speed claimed is 175 km/h, which is 109 mph.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2680 mm | 105.5 inches | |
| Track/tread (front) | 1438 mm | 56.6 inches | |
| Track/tread (rear) | 1448 mm | 57 inches | |
| Length | 4950 mm | 194.9 inches | |
| Width | 1803 mm | 71 inches | |
| Height | 1361 mm | 53.6 inches | |
| Ground clearance | 111 mm | 4.4 inches | |
| length:wheelbase ratio | 1.85 | ||
| Kerb weight | 1306 kg | 2879 lb | |
| Weight distribution | |||
| fuel tank capacity | 61 litres | 13.4 [16.1] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Ford | ||
| Engine code | |||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 4.9 litre 4942 cc (301.579 cu in) |
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| Bore × Stroke | 101.6 × 76.2 mm
4 × 3 in |
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| Bore/stroke ratio | 1.33 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 16 valves in total |
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| maximum power output (DIN) |
140 PS (138 bhp) (103 kW) at 3600 rpm |
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| maximum torque (DIN) |
338 Nm (249 ft·lb) (34.5 kgm) at 1800 rpm |
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| Specific output (DIN) |
20.8 kW/litre 28.3 ps/litre 27.9 bhp/litre 0.46 bhp/cu in |
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| Specific torque (DIN) |
68.39 Nm/litre
0.83 ft·lb/cu3 |
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| Engine construction | cast iron block & head | ||
| Lubrication | wet sumped | ||
| compression ratio | 8.4:1 | ||
| Fuel system | 1 Fo 2150 D9BE-YB carb | ||
| bmep (brake mean effective pressure) | 859.5 kPa (124.7 psi) | ||
| Maximum RPM | 4000 rpm | ||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 617.75 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | Y | ||
| 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 | 175 km/h (109 mph) | ||
| Power-to-weight ratio | Higher is better 107.13 PS/tonne (1000 kg) 0.11 PS/kg 78.8 kW/tonne (1000 kg) 0.08 kW/kg 105.67 bhp/tonne (1000 kg) 0.11 bhp/kg 0.05 bhp/lb |
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| Weight-to-power ratio | Lower is better 12.69 kg/kW 21.2 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 | 4.100 | ||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | 5 x 14 | ||
| Wheel size rear | 5 x 14 | ||
| Tyres front | B78 x 14 | ||
| Tyres rear | B78 x 14 | ||
| Brakes F/R | VeDi/Dr | ||
| Front brake diameter | 255 mm | ||
| Rear brake diameter | |||
| Braked area | 1778 cm2 | ||
| Gearbox | 4 speed manual | ||
| Top gear ratio | 0.7 | ||
| Final drive ratio | 2.73 | ||
| general | |||
| Carfolio.com ID | 124784 | ||
| Production total | |||
| Model code | |||
| RAC rating | 51.2 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1979 Mercury Zephyr Sedan added 2004-12-20. Last modified 2013-02-28. |
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