The Pontiac LeMans Sport Convertible is a rear wheel drive motor vehicle, with its engine placed in the front, and a 2 door convertible/cabriolet bodyshell.
Its 5.8 litre engine is a naturally aspirated, overhead valve, 8 cylinder unit that has an output of 255 bhp (259 PS/190 kW) of power at 4600 rpm, and maximum torque of 481 N·m (355 lb·ft/49 kgm) at 2800 rpm.
The engine transfers its power through to the wheels via a 3 speed manual gearbox.
Full specs
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| bodywork | |||
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| Body type | 4/5 seater convertible/cabriolet | ||
| 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 | 5144 mm | 202.5 inches | |
| Width | 1948 mm | 76.7 inches | |
| Height | 1328 mm | 52.3 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.81 | ||
| Kerb weight | |||
| Weight distribution | |||
| fuel tank capacity | |||
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Pontiac | ||
| Engine code | |||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 5.8 litre 5795 cc (353.633 cu in) |
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| Bore × Stroke | 98.4 × 95.25 mm
3.87 × 3.75 in |
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| Bore/stroke ratio | 1.03 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 16 valves in total |
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| maximum power output (gross) |
259 PS (255 bhp) (190 kW) at 4600 rpm |
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| maximum torque (gross) |
481 Nm (355 ft·lb) (49 kgm) at 2800 rpm |
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| Specific output (gross) |
32.8 kW/litre 44.6 ps/litre 44 bhp/litre 0.72 bhp/cu in |
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| Specific torque (gross) |
83 Nm/litre
1 ft·lb/cu3 |
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| Engine construction | cast iron block & head | ||
| Lubrication | wet sumped | ||
| compression ratio | 8.8:1 | ||
| Fuel system | 1 carburettor | ||
| bmep (brake mean effective pressure) | 1043 kPa (151.3 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 724.38 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 | |||
| Wheel size rear | |||
| Tyres front | G78-14 | ||
| Tyres rear | G78-14 | ||
| Brakes F/R | Dr/Dr | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 3 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.23 | ||
| general | |||
| Carfolio.com ID | 397804 | ||
| Production total | |||
| Model code | |||
| RAC rating | 48.0 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1970 Pontiac LeMans Sport Convertible added 2015-01-10. Last modified 2020-02-02. |
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