The Comet Cyclone GT Convertible Merc-O-Matic is a rear wheel drive convertible/cabriolet automobile with a front located engine, sold by Mercury.
Its engine is a naturally aspirated petrol, 6.4 litre, overhead valve 90 degree V 8 cylinder with 2 valves per cylinder. In this application it has an output of 335 bhp (340 PS/250 kW) of power at 4800 rpm, and maximum torque of 579 N·m (427 lb·ft/59 kgm) at 3200 rpm.
The engine powers the wheels via a 3 speed automatic set of gears.
Full specs
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| bodywork | |||
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| Body type | 4/5 seater convertible/cabriolet | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2946 mm | 116 inches | |
| Track/tread (front) | 1473 mm | 58 inches | |
| Track/tread (rear) | 1473 mm | 58 inches | |
| Length | 5156 mm | 203 inches | |
| Width | 1875 mm | 73.8 inches | |
| Height | 1372 mm | 54 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.75 | ||
| Kerb weight | |||
| Weight distribution | |||
| fuel tank capacity | 75.8 litres | 16.7 [20] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Mercury | ||
| Engine code | |||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 6.4 litre 6387 cc (389.759 cu in) |
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| Bore × Stroke | 102.9 × 96 mm
4.05 × 3.78 in |
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| Bore/stroke ratio | 1.07 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 16 valves in total |
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| maximum power output (gross) |
340 PS (335 bhp) (250 kW) at 4800 rpm |
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| maximum torque (gross) |
579 Nm (427 ft·lb) (59 kgm) at 3200 rpm |
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| Specific output (gross) |
39.1 kW/litre 53.2 ps/litre 52.5 bhp/litre 0.86 bhp/cu in |
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| Specific torque (gross) |
90.65 Nm/litre
1.1 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 10.5:1 | ||
| Fuel system | 1 carburettor | ||
| bmep (brake mean effective pressure) | 1139.2 kPa (165.2 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 798.38 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 | |||
| Weight-to-power ratio | |||
| 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 | 5½ x 14 | ||
| Wheel size rear | 5½ x 14 | ||
| Tyres front | 7.75 x 14 | ||
| Tyres rear | 7.75 x 14 | ||
| Brakes F/R | |||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 3 speed automatic | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.25 | ||
| general | |||
| Carfolio.com ID | 375815 | ||
| Production total | |||
| Model code | |||
| RAC rating | 52.5 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1966 Mercury Comet Cyclone GT Convertible Merc-O-Matic added 2014-11-02. Last modified 2020-02-02. |
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