The Ninety Eight Hardtop is a rear wheel drive coupé motor car with a front mounted engine, from Oldsmobile.
The Ninety Eight Hardtop is part of Oldsmobile's 38400 series.
Power is produced by an overhead valve, 7.5 litre naturally aspirated 8 cylinder motor, with 2 valves per cylinder that provides power and torque figures of 320 bhp (324 PS/239 kW) at 4400 rpm and 624 N·m (460 lb·ft/63.6 kgm) at 2800 rpm respectively.
A 3 speed automatic transmission transmits the power to the driven wheels.
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 | 3226 mm | 127 inches | |
| Track/tread (front) | 1628 mm | 64.1 inches | |
| Track/tread (rear) | 1626 mm | 64 inches | |
| Length | 5743 mm | 226.1 inches | |
| Width | 2007 mm | 79 inches | |
| Height | 1374 mm | 54.1 inches | |
| Ground clearance | 135 mm | 5.3 inches | |
| 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 | Oldsmobile | ||
| Engine code | L32 | ||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 7.5 litre 7453 cc (454.81 cu in) |
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| Bore × Stroke | 104.8 × 108 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) |
324 PS (320 bhp) (239 kW) at 4400 rpm |
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| maximum torque (gross) |
624 Nm (460 ft·lb) (63.6 kgm) at 2800 rpm |
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| Specific output (gross) |
32 kW/litre 43.5 ps/litre 42.9 bhp/litre 0.7 bhp/cu in |
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| Specific torque (gross) |
83.72 Nm/litre
1.01 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 8.5:1 | ||
| Fuel system | 1 carburettor | ||
| bmep (brake mean effective pressure) | 1052.1 kPa (152.6 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 931.63 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 | 6JJ x 15 | ||
| Wheel size rear | 6JJ x 15 | ||
| Tyres front | J78 x 15 | ||
| Tyres rear | J78 x 15 | ||
| Brakes F/R | VeDi/Dr-S | ||
| Front brake diameter | 298 mm | ||
| Rear brake diameter | 279 mm | ||
| Braked area | |||
| Gearbox | 3 speed automatic | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 2.73 | ||
| general | |||
| Carfolio.com ID | 728387 | ||
| Production total | |||
| Model code | 38437 | ||
| Model family | 38400 | ||
| RAC rating | 54.5 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1971 Oldsmobile Ninety Eight Hardtop added 2021-06-07. Last modified 2021-07-13. |
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