The Ford Cortina Twin Cam is a saloon (sedan) with 2 doors and a front mounted powerplant which delivers its power to the rear wheels.
The 4 cylinder, double overhead camshaft naturally aspirated powerplant has 2 valves per cylinder and a capacity of 1.6 litres. In this application it musters power and torque figures of 105 bhp (106 PS/78 kW) at 6000 rpm and 140 Nm (103 lbft/14.3 kgm) at 4000 rpm respectively.
A 4 speed manual gearbox transfers the power to the wheels.
It weighs a claimed 940 kg at the kerb.
Maximum speed quoted is 174 km/h, which is 108 mph.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2490 mm | 98 inches | |
| Track/tread (front) | 1360 mm | 53.5 inches | |
| Track/tread (rear) | 1320 mm | 52 inches | |
| Length | 4270 mm | 168.1 inches | |
| Width | 1650 mm | 65 inches | |
| Height | 1370 mm | 53.9 inches | |
| Ground clearance | 120 mm | 4.7 inches | |
| length:wheelbase ratio | 1.71 | ||
| Kerb weight | 940 kg | 2072 lb | |
| Weight distribution | |||
| fuel tank capacity | 46 litres | 10.1 [12.2] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Ford | ||
| Engine code | 3020 E | ||
| Cylinders | Straight 4 | ||
| Capacity | 1.6 litre 1558 cc (95.075 cu in) |
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| Bore × Stroke | 82.55 × 72.75 mm
3.25 × 2.86 in |
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| Bore/stroke ratio | 1.13 | ||
| Valve gear | double overhead camshaft (DOHC)
2 valves per cylinder 8 valves in total |
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| maximum power output (DIN) |
106 PS (105 bhp) (78 kW) at 6000 rpm |
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| maximum torque (DIN) |
140 Nm (103 ft·lb) (14.3 kgm) at 4000 rpm |
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| Specific output (DIN) |
50.3 kW/litre 68.3 ps/litre 67.4 bhp/litre 1.1 bhp/cu in |
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| Specific torque (DIN) |
89.86 Nm/litre
1.09 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 9.5:1 | ||
| Fuel system | 2 Weber 40 DCOE 31 carburettors | ||
| bmep (brake mean effective pressure) | 1129.2 kPa (163.8 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 389.5 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | 10.4 s | ||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 174 km/h (108 mph) | ||
| Power-to-weight ratio | Higher is better 113.25 PS/tonne (1000 kg) 0.11 PS/kg 83.3 kW/tonne (1000 kg) 0.08 kW/kg 111.7 bhp/tonne (1000 kg) 0.11 bhp/kg 0.05 bhp/lb |
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| Weight-to-power ratio | Lower is better 12.01 kg/kW 20.05 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 | 165-13 | ||
| Tyres rear | 165-13 | ||
| Brakes F/R | Di/Dr-S | ||
| Front brake diameter | 245 mm | ||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 4 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.77 | ||
| general | |||
| Carfolio.com ID | 593175 | ||
| Production total | |||
| Model code | |||
| RAC rating | 16.9 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1971 Ford Cortina Twin Cam added 2019-02-23. Last modified 2020-03-16. |
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