The Impala Coupé is a motor vehicle from Chevrolet, with rear wheel drive, a front positioned engine and a 2 door coupé body style.
The Chevrolet Impala Coupé belongs to the 1BL00 range of cars from Chevrolet.
The 4.1 litre engine is a naturally aspirated, overhead valve, 6 cylinder unit that has an output of 90 bhp (91 PS/67 kW) of power at 3600 rpm, and maximum torque of 237 N·m (175 lb·ft/24.2 kgm) at 1600 rpm.
The engine transmits power to the wheels via a 3 speed automatic 'box.
Full specs
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Applicable to the Californian, USA domestic market(s). | ||
| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater fixed-head coupé | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2945 mm | 115.9 inches | |
| Track/tread (front) | 1570 mm | 61.8 inches | |
| Track/tread (rear) | 1544 mm | 60.8 inches | |
| Length | 5387 mm | 212.1 inches | |
| Width | 1930 mm | 76 inches | |
| Height | 1405 mm | 55.3 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.83 | ||
| Kerb weight | |||
| Weight distribution | |||
| fuel tank capacity | 79.6 litres | 17.5 [21] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Chevrolet | ||
| Engine code | L22 | ||
| Cylinders | Straight 6 | ||
| Capacity | 4.1 litre 4093 cc (249.77 cu in) |
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| Bore × Stroke | 98.42 × 89.66 mm
3.87 × 3.53 in |
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| Bore/stroke ratio | 1.1 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 12 valves in total |
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| maximum power output (net) |
91 PS (90 bhp) (67 kW) at 3600 rpm |
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| maximum torque (net) |
237 Nm (175 ft·lb) (24.2 kgm) at 1600 rpm |
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| Specific output (net) |
16.4 kW/litre 22.3 ps/litre 22 bhp/litre 0.36 bhp/cu in |
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| Specific torque (net) |
57.9 Nm/litre
0.7 ft·lb/cu3 |
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| Engine construction | cast iron block & head | ||
| Lubrication | wet sumped | ||
| compression ratio | 8.1:1 | ||
| Fuel system | 1 Rochester 17058314 carburettor | ||
| bmep (brake mean effective pressure) | 727.6 kPa (105.5 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 7 | ||
| Engine coolant | Water | ||
| Unitary capacity | 682.17 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | Y | ||
| 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 | 3.160 | ||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | 6JJ x 15 | ||
| Wheel size rear | 6JJ x 15 | ||
| Tyres front | FR78-15 | ||
| Tyres rear | FR78-15 | ||
| Brakes F/R | VeDi/Dr-S | ||
| Front brake diameter | 279 mm | ||
| Rear brake diameter | 241 mm | ||
| Braked area | |||
| Gearbox | 3 speed automatic | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 2.73 | ||
| general | |||
| Carfolio.com ID | 334642 | ||
| Production total | |||
| Model code | 1BL47 | ||
| Model family | 1BL00 | ||
| RAC rating | 36.0 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1978 Chevrolet Impala Coupé added 2013-04-25. Last modified 2020-02-02. |
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