The Tempest Custom Sedan is a passenger car from Pontiac, with rear wheel drive, a front mounted engine and a 4 door saloon (sedan) body style.
It forms part of Pontiac's 235 model range.
It is powered by a naturally aspirated engine of 4.1 litre capacity. This powerplant features single overhead camshaft valve gear, 6 cylinder layout, and 2 valves per cylinder. It produces 175 bhp (177 PS/130 kW) of power at 4800 rpm, and maximum torque of 325 N·m (240 lb·ft/33.1 kgm) at 2600 rpm.
A 3 speed manual 'box transfers the power to the driven wheels.
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 | 2946 mm | 116 inches | |
| Track/tread (front) | 1524 mm | 60 inches | |
| Track/tread (rear) | 1524 mm | 60 inches | |
| Length | 5199 mm | 204.7 inches | |
| Width | 1900 mm | 74.8 inches | |
| Height | 1334 mm | 52.5 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.76 | ||
| Kerb weight | |||
| Weight distribution | |||
| fuel tank capacity | 81.5 litres | 17.9 [21.5] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Pontiac | ||
| Engine code | |||
| Cylinders | Straight 6 | ||
| Capacity | 4.1 litre 4103 cc (250.38 cu in) |
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| Bore × Stroke | 98.55 × 89.66 mm
3.88 × 3.53 in |
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| Bore/stroke ratio | 1.1 | ||
| Valve gear | single overhead camshaft (SOHC)
2 valves per cylinder 12 valves in total |
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| maximum power output (gross) |
177 PS (175 bhp) (130 kW) at 4800 rpm |
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| maximum torque (gross) |
325 Nm (240 ft·lb) (33.1 kgm) at 2600 rpm |
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| Specific output (gross) |
31.8 kW/litre 43.2 ps/litre 42.7 bhp/litre 0.7 bhp/cu in |
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| Specific torque (gross) |
79.21 Nm/litre
0.96 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 9:1 | ||
| Fuel system | 1 carburettor | ||
| bmep (brake mean effective pressure) | 995.4 kPa (144.4 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 7 | ||
| Engine coolant | Water | ||
| Unitary capacity | 683.83 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 | 5J x 14 | ||
| Wheel size rear | 5J x 14 | ||
| Tyres front | 7.75 x 14 | ||
| Tyres rear | 7.75 x 14 | ||
| Brakes F/R | Dr/Dr | ||
| Front brake diameter | 241 mm | ||
| Rear brake diameter | 241 mm | ||
| Braked area | |||
| Gearbox | 3 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.23 | ||
| general | |||
| Carfolio.com ID | 345796 | ||
| Production total | |||
| Model code | 23569 | ||
| Model family | 235 | ||
| RAC rating | 36.1 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1968 Pontiac Tempest Custom Sedan added 2013-07-15. Last modified 2020-06-10. |
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