The Pontiac Bonneville Hardtop is a 4 door saloon (sedan) style car with a front located engine driving through the rear wheels.
The power is produced by a naturally aspirated engine of 7.5 litre capacity. This unit features overhead valve valve gear, a 90 degree V 8 cylinder layout, and 2 valves per cylinder. It produces 370 bhp (375 PS/276 kW) of power at 4600 rpm, and maximum torque of 538 N·m (397 lb·ft/54.9 kgm) at 3100 rpm.
The engine delivers its power through to the wheels via a 3 speed automatic transmission.
Full specs
|
|
|||
| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 3175 mm | 125 inches | |
| Track/tread (front) | 1626 mm | 64 inches | |
| Track/tread (rear) | 1626 mm | 64 inches | |
| Length | 5705 mm | 224.6 inches | |
| Width | 2027 mm | 79.8 inches | |
| Height | 1372 mm | 54 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.8 | ||
| 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 | 7.5 litre 7455 cc (454.932 cu in) |
||
| Bore × Stroke | 105.4 × 106.8 mm
4.15 × 4.2 in |
||
| Bore/stroke ratio | 0.99 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 16 valves in total |
||
| maximum power output (gross) |
375 PS (370 bhp) (276 kW) at 4600 rpm |
||
| maximum torque (gross) |
538 Nm (397 ft·lb) (54.9 kgm) at 3100 rpm |
||
| Specific output (gross) |
37 kW/litre 50.3 ps/litre 49.6 bhp/litre 0.81 bhp/cu in |
||
| Specific torque (gross) |
72.17 Nm/litre
0.87 ft·lb/cu3 |
||
| Engine construction | cast iron block & head | ||
| Lubrication | wet sumped | ||
| compression ratio | 10.25:1 | ||
| Fuel system | |||
| bmep (brake mean effective pressure) | 906.9 kPa (131.5 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 931.88 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 | |||
| 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 | H78-15 | ||
| Tyres rear | H78-15 | ||
| Brakes F/R | Dr/Dr | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 3 speed automatic | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.23 | ||
| general | |||
| Carfolio.com ID | 396891 | ||
| Production total | |||
| Model code | 26239 | ||
| RAC rating | 55.1 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
|
1970 Pontiac Bonneville Hardtop added 2015-01-10. Last modified 2020-02-02. |
|||