The Pontiac Star Chief Hydra-Matic is a rear wheel drive motor vehicle, with the engine placed in the front, and a 4 door saloon (sedan) body.
It is part of Pontiac's 26 series of cars.
The Pontiac Star Chief Hydra-Matic's engine is a naturally aspirated petrol, 6.4 litre, overhead valve 90 degree V 8 cylinder with 2 valves per cylinder. In this application it develops 333 bhp (338 PS/248 kW) of power at 4800 rpm, and maximum torque of 576 N·m (425 lb·ft/58.7 kgm) at 2800 rpm.
The engine powers the wheels compliments of a 3 speed automatic 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 | 3124 mm | 123 inches | |
| Track/tread (front) | 1588 mm | 62.5 inches | |
| Track/tread (rear) | 1588 mm | 62.5 inches | |
| Length | 5552 mm | 218.6 inches | |
| Width | 1996 mm | 78.6 inches | |
| Height | 1420 mm | 55.9 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.78 | ||
| Kerb weight | |||
| Weight distribution | |||
| fuel tank capacity | 94.7 litres | 20.8 [25] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Pontiac | ||
| Engine code | Trophy V-8 425A | ||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 6.4 litre 6362 cc (388.233 cu in) |
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| Bore × Stroke | 103.1 × 95.25 mm
4.06 × 3.75 in |
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| Bore/stroke ratio | 1.08 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 16 valves in total |
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| maximum power output (gross) |
338 PS (333 bhp) (248 kW) at 4800 rpm |
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| maximum torque (gross) |
576 Nm (425 ft·lb) (58.7 kgm) at 2800 rpm |
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| Specific output (gross) |
39 kW/litre 53.1 ps/litre 52.3 bhp/litre 0.86 bhp/cu in |
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| Specific torque (gross) |
90.54 Nm/litre
1.09 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 10.75:1 | ||
| Fuel system | 1 Carter carburettor | ||
| bmep (brake mean effective pressure) | 1137.7 kPa (165 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 795.25 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 | 6K x 14 | ||
| Wheel size rear | 6K x 14 | ||
| Tyres front | 8.00 x 14 4PLY | ||
| Tyres rear | 8.00 x 14 4PLY | ||
| Brakes F/R | Dr/Dr-S | ||
| Front brake diameter | 279 mm | ||
| Rear brake diameter | 279 mm | ||
| Braked area | |||
| Gearbox | 3 speed automatic | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.08 | ||
| general | |||
| Carfolio.com ID | 822096 | ||
| Production total | |||
| Model code | 69 | ||
| Model family | 26 | ||
| RAC rating | 52.7 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1962 Pontiac Star Chief Hydra-Matic added 2025-01-05. Last modified 2025-01-06. |
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