The 66 1300 Marathon Coupé is a road car from DAF, with rear wheel drive, a front mounted engine and a Michelotti-penned 2 door coupé body style.
It's powered courtesy of a naturally aspirated engine of 1.3 litre capacity. This unit features overhead valve valve gear, 4 cylinder layout, and 2 valves per cylinder. It produces 56 bhp (57 PS/42 kW) of power at 5200 rpm, and maximum torque of 94 N·m (69 lb·ft/9.6 kgm) at 2800 rpm.
Power is transmitted to the wheels via a continuously variable transmission.
Quoted kerb weight is 840 kg.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 2+2 seater fixed-head coupé | ||
| Number of doors | 2 | ||
| Designer | Michelotti | ||
| dimensions & weights | |||
| Wheelbase | 2250 mm | 88.6 inches | |
| Track/tread (front) | 1300 mm | 51.2 inches | |
| Track/tread (rear) | 1230 mm | 48.4 inches | |
| Length | 3880 mm | 152.8 inches | |
| Width | 1540 mm | 60.6 inches | |
| Height | 1310 mm | 51.6 inches | |
| Ground clearance | 170 mm | 6.7 inches | |
| length:wheelbase ratio | 1.72 | ||
| Kerb weight | 840 kg | 1852 lb | |
| Weight distribution | |||
| fuel tank capacity | 42 litres | 9.2 [11.1] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Renault | ||
| Engine code | |||
| Cylinders | Straight 4 | ||
| Capacity | 1.3 litre 1289 cc (78.66 cu in) |
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| Bore × Stroke | 73 × 77 mm
2.87 × 3.03 in |
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| Bore/stroke ratio | 0.95 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 8 valves in total |
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| maximum power output (DIN) |
57 PS (56 bhp) (42 kW) at 5200 rpm |
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| maximum torque (DIN) |
94 Nm (69 ft·lb) (9.6 kgm) at 2800 rpm |
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| Specific output (DIN) |
32.4 kW/litre 44 ps/litre 43.4 bhp/litre 0.71 bhp/cu in |
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| Specific torque (DIN) |
72.92 Nm/litre
0.88 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 10:1 | ||
| Fuel system | 1 Solex carburettor | ||
| bmep (brake mean effective pressure) | 916.4 kPa (132.9 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 322.25 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 67.59 PS/tonne (1000 kg) 0.07 PS/kg 49.71 kW/tonne (1000 kg) 0.05 kW/kg 66.67 bhp/tonne (1000 kg) 0.07 bhp/kg 0.03 bhp/lb |
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| Weight-to-power ratio | Lower is better 20.12 kg/kW 33.6 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 | transverse | ||
| Drive wheels | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | rack & pinion | ||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | 4½J x 13 | ||
| Wheel size rear | 4½J x 13 | ||
| Tyres front | 155 SR 13 | ||
| Tyres rear | 155 SR 13 | ||
| Brakes F/R | Di/Dr-S | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | continuously variable transmission | ||
| Top gear ratio | |||
| Final drive ratio | |||
| general | |||
| Carfolio.com ID | 711150 | ||
| Production total | |||
| Model code | |||
| RAC rating | 13.2 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1973 DAF 66 1300 Marathon Coupé added 2020-11-30. Last modified 2021-01-09. |
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