This vehicle has a 2 door coupé body style with a front mounted engine driving through the rear wheels.
The Belvedere Coupé forms part of Plymouth's FR1 model range.
The power is produced by a naturally aspirated engine of 3.7 litre capacity. This unit features overhead valve valve gear, 6 cylinder layout, and 2 valves per cylinder. It has an output of 145 bhp (147 PS/108 kW) of power at 4000 rpm, and maximum torque of 292 N·m (215 lb·ft/29.8 kgm) at 2400 rpm.
The engine transmits power to the wheels via a 3 speed manual set of gears.
Full specs
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| bodywork | |||
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| Body type | 4/5 seater fixed-head coupé | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2946 mm | 116 inches | |
| Track/tread (front) | 1516 mm | 59.7 inches | |
| Track/tread (rear) | 1491 mm | 58.7 inches | |
| Length | 5182 mm | 204 inches | |
| Width | 1941 mm | 76.4 inches | |
| Height | 1346 mm | 53 inches | |
| Ground clearance | 137 mm | 5.4 inches | |
| length:wheelbase ratio | 1.76 | ||
| Kerb weight | |||
| Weight distribution | |||
| fuel tank capacity | 72 litres | 15.8 [19] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Chrysler | ||
| Engine code | |||
| Cylinders | Straight 6 | ||
| Capacity | 3.7 litre 3678 cc (224.445 cu in) |
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| Bore × Stroke | 86.36 × 104.65 mm
3.4 × 4.12 in |
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| Bore/stroke ratio | 0.83 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 12 valves in total |
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| maximum power output (gross) |
147 PS (145 bhp) (108 kW) at 4000 rpm |
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| maximum torque (gross) |
292 Nm (215 ft·lb) (29.8 kgm) at 2400 rpm |
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| Specific output (gross) |
29.4 kW/litre 40 ps/litre 39.4 bhp/litre 0.65 bhp/cu in |
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| Specific torque (gross) |
79.39 Nm/litre
0.96 ft·lb/cu3 |
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| Engine construction | cast iron block & head | ||
| Lubrication | wet sumped | ||
| compression ratio | 8.4:1 | ||
| Fuel system | 1 Holley R-4351A carburettor | ||
| bmep (brake mean effective pressure) | 997.7 kPa (144.7 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 613 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 | 5.0J x 14 | ||
| Wheel size rear | 5.0J x 14 | ||
| Tyres front | F78 x 14 | ||
| Tyres rear | F78 x 14 | ||
| Brakes F/R | Dr/Dr | ||
| Front brake diameter | 254 mm | ||
| Rear brake diameter | 254 mm | ||
| Braked area | |||
| Gearbox | 3 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.23 | ||
| general | |||
| Carfolio.com ID | 351571 | ||
| Production total | |||
| Model code | RL21 | ||
| Model family | FR1 | ||
| RAC rating | 27.7 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1970 Plymouth Belvedere Coupé added 2013-08-04. Last modified 2020-02-02. |
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