The Spitfire IV is a rear wheel drive convertible/cabriolet passenger car with a front placed engine, sold by Triumph.
The 1.3 litre engine is a naturally aspirated, overhead valve, 4 cylinder unit that has an output of 61 bhp (62 PS/45 kW) of power at 5500 rpm, and maximum torque of 92 N·m (68 lb·ft/9.4 kgm) at 2900 rpm.
The engine transmits power to the wheels via a 4 speed manual transmission.
Stated weight at the kerb is 734 kg.
It is said to be able to attain a top speed of 156 km/h (97 mph).
Full specs
|
|
|||
| bodywork | |||
|---|---|---|---|
| Body type | 2 seater convertible/cabriolet | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2110 mm | 83.1 inches | |
| Track/tread (front) | 1245 mm | 49 inches | |
| Track/tread (rear) | 1220 mm | 48 inches | |
| Length | 3786 mm | 149.1 inches | |
| Width | 1488 mm | 58.6 inches | |
| Height | 1125 mm | 44.3 inches | |
| Ground clearance | 127 mm | 5 inches | |
| length:wheelbase ratio | 1.79 | ||
| Kerb weight | 734 kg | 1618 lb | |
| Weight distribution | 56% front | ||
| fuel tank capacity | 38 litres | 8.4 [10] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Triumph | ||
| Engine code | |||
| Cylinders | Straight 4 | ||
| Capacity | 1.3 litre 1296 cc (79.087 cu in) |
||
| Bore × Stroke | 73.7 × 76 mm
2.9 × 2.99 in |
||
| Bore/stroke ratio | 0.97 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 8 valves in total |
||
| maximum power output (DIN) |
62 PS (61 bhp) (45 kW) at 5500 rpm |
||
| maximum torque (DIN) |
92 Nm (68 ft·lb) (9.4 kgm) at 2900 rpm |
||
| Specific output (DIN) |
35.1 kW/litre 47.7 ps/litre 47.1 bhp/litre 0.77 bhp/cu in |
||
| Specific torque (DIN) |
70.99 Nm/litre
0.86 ft·lb/cu3 |
||
| Engine construction | |||
| Lubrication | |||
| compression ratio | 9:1 | ||
| Fuel system | 2 SU carbs | ||
| bmep (brake mean effective pressure) | 892.1 kPa (129.4 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 3 | ||
| Engine coolant | Water | ||
| Unitary capacity | 324 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | 10 s | ||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 156 km/h (97 mph) | ||
| Power-to-weight ratio | Higher is better 84.26 PS/tonne (1000 kg) 0.08 PS/kg 61.97 kW/tonne (1000 kg) 0.06 kW/kg 83.11 bhp/tonne (1000 kg) 0.08 bhp/kg 0.04 bhp/lb |
||
| Weight-to-power ratio | Lower is better 16.14 kg/kW 26.95 lb/bhp |
||
| 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 | 3.750 | ||
| Turning circle | |||
| Front suspension | I.W.CS.ARB. | ||
| Rear suspension | I.SwSemiAx.TL. | ||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | |||
| Tyres rear | |||
| Brakes F/R | Di/Dr | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | 1322 cm2 | ||
| Gearbox | 4 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.89 | ||
| general | |||
| Carfolio.com ID | 55121 | ||
| Production total | |||
| Model code | |||
| RAC rating | 13.5 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
|
1972 Triumph Spitfire IV added 1999-08-15. Last modified 2013-02-28. |
|||