The Oldsmobile 4-4-2 H/O 455 is a coupé with 2 doors and a front mounted powerplant which transmits its power through the rear wheels.
The 7.4 litre engine is a naturally aspirated, overhead valve, 8 cylinder unit that develops 380 bhp (385 PS/283 kW) of power at 5200 rpm, and maximum torque of 678 N·m (500 lb·ft/69.1 kgm) at 3200 rpm.
This power is supplied to the wheels via a 3 speed automatic gearbox.
The quoted weight at the kerb is 1755 kg.
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 | 2845 mm | 112 inches | |
| Track/tread (front) | 1549 mm | 61 inches | |
| Track/tread (rear) | 1524 mm | 60 inches | |
| Length | 5128 mm | 201.9 inches | |
| Width | 1935 mm | 76.2 inches | |
| Height | 1341 mm | 52.8 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.8 | ||
| Kerb weight | 1755 kg | 3869 lb | |
| Weight distribution | 57% front | ||
| 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 | Oldsmobile | ||
| Engine code | |||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 7.4 litre 7447 cc (454.444 cu in) |
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| Bore × Stroke | 104.78 × 107.95 mm
4.13 × 4.25 in |
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| Bore/stroke ratio | 0.97 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 16 valves in total |
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| maximum power output (gross) |
385 PS (380 bhp) (283 kW) at 5200 rpm |
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| maximum torque (gross) |
678 Nm (500 ft·lb) (69.1 kgm) at 3200 rpm |
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| Specific output (gross) |
38.1 kW/litre 51.7 ps/litre 51 bhp/litre 0.84 bhp/cu in |
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| Specific torque (gross) |
91.04 Nm/litre
1.1 ft·lb/cu3 |
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| Engine construction | cast iron block & head | ||
| Lubrication | wet sumped | ||
| compression ratio | 10.5:1 | ||
| Fuel system | 1 Rochester 4MV carburettor | ||
| bmep (brake mean effective pressure) | 1144.1 kPa (165.9 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 930.88 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 | 14.08 s
@ 99.88 mph |
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| Standing kilometre | |||
| Maximum speed | |||
| Power-to-weight ratio | Higher is better 219.53 PS/tonne (1000 kg) 0.22 PS/kg 161.46 kW/tonne (1000 kg) 0.16 kW/kg 216.52 bhp/tonne (1000 kg) 0.22 bhp/kg 0.1 bhp/lb |
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| Weight-to-power ratio | Lower is better 6.19 kg/kW 10.35 lb/bhp |
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| 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 | 4.300 | ||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | F60 x 15 | ||
| Tyres rear | F60 x 15 | ||
| Brakes F/R | Di/Dr | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 3 speed automatic | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.42 | ||
| general | |||
| Carfolio.com ID | 286605 | ||
| Production total | |||
| Model code | |||
| RAC rating | 54.5 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1969 Oldsmobile 4-4-2 H/O 455 Automatic added 2012-10-25. Last modified 2020-02-02. |
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