Full specs1961 Triumph TR4 specifications
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| bodywork | |||
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| Body type | 2 seater convertible/cabriolet | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2238 mm | 88.1 inches | |
| Track/tread (front) | 1245 mm | 49 inches | |
| Track/tread (rear) | 1219 mm | 48 inches | |
| Length | 3962 mm | 156 inches | |
| Width | 1461 mm | 57.5 inches | |
| Height | 1270 mm | 50 inches | |
| Ground clearance | 152 mm | 6 inches | |
| length:wheelbase ratio | 1.77 | ||
| Kerb weight | 966 kg | 2130 lb | |
| Weight distribution | |||
| fuel tank capacity | 53.4 litres | 11.7 [14.1] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Triumph | ||
| Engine code | |||
| Cylinders | Straight 4 | ||
| Capacity | 2.1 litre 2138 cc (130.469 cu in) |
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| Bore × Stroke | 86 × 92 mm
3.39 × 3.62 in |
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| Bore/stroke ratio | 0.93 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 8 valves in total |
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| maximum power output (Net) |
101 PS (100 bhp) (75 kW) at 4600 rpm |
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| maximum torque (Net) |
172 Nm (127 ft·lb) (17.5 kgm) at 3350 rpm |
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| Specific output (Net) |
34.9 kW/litre 47.4 ps/litre 46.8 bhp/litre 0.77 bhp/cu in |
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| Specific torque (Net) |
80.45 Nm/litre
0.97 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | 9:1 | ||
| Fuel system | 2 SU carbs | ||
| bmep (brake mean effective pressure) | 1011 kPa (146.6 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 534.5 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | 8.3 s | ||
| Acceleration 0-60mph | 10.9 s | ||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | 17.8 s | ||
| Standing kilometre | |||
| Maximum speed | 165 km/h (103 mph) | ||
| Power-to-weight ratio | Higher is better 104.96 PS/tonne (1000 kg) 0.1 PS/kg 77.19 kW/tonne (1000 kg) 0.08 kW/kg 103.52 bhp/tonne (1000 kg) 0.1 bhp/kg 0.05 bhp/lb |
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| Weight-to-power ratio | Lower is better 12.95 kg/kW 21.64 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 | 2.500 | ||
| Turning circle | 10.40 m | ||
| Front suspension | I.CS. | ||
| Rear suspension | LA.SE. | ||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | 5.50-15 | ||
| Tyres rear | 5.50-15 | ||
| Brakes F/R | Di/Dr | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | 2142 cm2 | ||
| Gearbox | 4 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.70 | ||
| general | |||
| Carfolio.com ID | 55737 | ||
| Production total | |||
| Model code | |||
| RAC rating | 18.3 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1961 Triumph TR4 added before December 1995. Last modified 2013-02-28. |
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