The Plymouth Road Runner is a coupé with 2 doors and a front mounted engine which delivers the power to the rear wheels.
Its 6.3 litre engine is a naturally aspirated, overhead valve, 8 cylinder unit that produces 300 bhp (304 PS/224 kW) of power at 4800 rpm, and maximum torque of 556 N·m (410 lb·ft/56.7 kgm) at 3400 rpm.
This power is transferred to the wheels through a 4 speed manual gearbox.
Full specs
|
|
|||
| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater fixed-head coupé | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2921 mm | 115 inches | |
| Track/tread (front) | 1527 mm | 60.1 inches | |
| Track/tread (rear) | 1575 mm | 62 inches | |
| Length | 5161 mm | 203.2 inches | |
| Width | 2009 mm | 79.1 inches | |
| Height | 1339 mm | 52.7 inches | |
| Ground clearance | 137 mm | 5.4 inches | |
| length:wheelbase ratio | 1.77 | ||
| Kerb weight | |||
| Weight distribution | |||
| fuel tank capacity | |||
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Chrysler | ||
| Engine code | |||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 6.3 litre 6286 cc (383.595 cu in) |
||
| Bore × Stroke | 107.95 × 85.85 mm
4.25 × 3.38 in |
||
| Bore/stroke ratio | 1.26 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 16 valves in total |
||
| maximum power output (SAE gross) |
304 PS (300 bhp) (224 kW) at 4800 rpm |
||
| maximum torque (SAE gross) |
556 Nm (410 ft·lb) (56.7 kgm) at 3400 rpm |
||
| Specific output (SAE gross) |
35.6 kW/litre 48.4 ps/litre 47.7 bhp/litre 0.78 bhp/cu in |
||
| Specific torque (SAE gross) |
88.45 Nm/litre
1.07 ft·lb/cu3 |
||
| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 8.5:1 | ||
| Fuel system | 1 Carter carburettor | ||
| bmep (brake mean effective pressure) | 1111.5 kPa (161.2 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 785.75 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 | 6.0JJ x 14 | ||
| Wheel size rear | 6.0JJ x 14 | ||
| Tyres front | F70 x 14 2B/2 | ||
| Tyres rear | F70 x 14 2B/2 | ||
| Brakes F/R | Dr/Dr | ||
| Front brake diameter | 279 mm | ||
| Rear brake diameter | 279 mm | ||
| Braked area | |||
| Gearbox | 4 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.23 | ||
| general | |||
| Carfolio.com ID | 827662 | ||
| Production total | |||
| Model code | RM23 | ||
| RAC rating | 57.8 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
|
1971 Plymouth Road Runner added 2025-03-01. Last modified 2025-03-01. |
|||
