The Impala Sport Coupé SS 409 is a rear wheel drive saloon (sedan) road car with a front mounted engine, from Chevrolet.
The Impala Sport Coupé SS 409 forms part of Chevrolet's 17-1800 Impala series.
Power is produced by an overhead valve, 6.7 litre naturally aspirated 8 cylinder powerplant, with 2 valves per cylinder that provides power and torque figures of 360 bhp (365 PS/268 kW) at 5800 rpm and 555 N·m (409 lb·ft/56.6 kgm) at 3600 rpm respectively.
The power is supplied to the wheels by means of a 4 speed manual gearbox.
Full specs
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| bodywork | |||
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| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 3023 mm | 119 inches | |
| Track/tread (front) | 1532 mm | 60.3 inches | |
| Track/tread (rear) | 1506 mm | 59.3 inches | |
| Length | 5316 mm | 209.3 inches | |
| Width | 1930 mm | 76 inches | |
| Height | 1410 mm | 55.5 inches | |
| Ground clearance | 152 mm | 6 inches | |
| length:wheelbase ratio | 1.76 | ||
| Kerb weight | |||
| Weight distribution | |||
| fuel tank capacity | 75.8 litres | 16.7 [20] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Chevrolet | ||
| Engine code | |||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 6.7 litre 6702 cc (408.981 cu in) |
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| Bore × Stroke | 109.54 × 88.9 mm
4.31 × 3.5 in |
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| Bore/stroke ratio | 1.23 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 16 valves in total |
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| maximum power output (gross) |
365 PS (360 bhp) (268 kW) at 5800 rpm |
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| maximum torque (gross) |
555 Nm (409 ft·lb) (56.6 kgm) at 3600 rpm |
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| Specific output (gross) |
40.1 kW/litre 54.5 ps/litre 53.7 bhp/litre 0.88 bhp/cu in |
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| Specific torque (gross) |
82.81 Nm/litre
1 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 11.25:1 | ||
| Fuel system | 1 carburettor | ||
| bmep (brake mean effective pressure) | 1040.6 kPa (150.9 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 837.75 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 | 5.200 | ||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | 5.0J x 14 | ||
| Wheel size rear | 5.0J x 14 | ||
| Tyres front | 8.00-14-4 | ||
| Tyres rear | 8.00-14-4 | ||
| 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 | 3.70 | ||
| general | |||
| Carfolio.com ID | 698082 | ||
| Production total | |||
| Model code | 1837 | ||
| Model family | 17-1800 Impala | ||
| RAC rating | 59.5 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1961 Chevrolet Impala Sport Coupé SS 409 added 2020-08-21. Last modified 2020-09-01. |
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