The Graber Special is a rear wheel drive Park Ward designed coupé automobile with a front positioned engine, from Alvis.
Power is supplied by an overhead valve, 3 litre naturally aspirated 6 cylinder engine, with 2 valves per cylinder that produces power and torque figures of 117 bhp (119 PS/87 kW) at 4500 rpm and 221 N·m (163 lb·ft/22.5 kgm) at 2500 rpm respectively.
The engine powers the wheels via a 5 speed manual transmission.
It weighs a claimed 1475 kg at the kerb.
The Alvis Graber Special is said to be able to achieve a maxiumum speed of 170 km/h, or 106 mph.
Full specs
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| bodywork | |||
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| Body type | 4/5 seater fixed-head coupé | ||
| Number of doors | 2 | ||
| Designer | Park Ward | ||
| dimensions & weights | |||
| Wheelbase | 2832 mm | 111.5 inches | |
| Track/tread (front) | 1420 mm | 55.9 inches | |
| Track/tread (rear) | 1370 mm | 53.9 inches | |
| Length | 4650 mm | 183.1 inches | |
| Width | 1720 mm | 67.7 inches | |
| Height | 1380 mm | 54.3 inches | |
| Ground clearance | 180 mm | 7.1 inches | |
| length:wheelbase ratio | 1.64 | ||
| Kerb weight | 1475 kg | 3252 lb | |
| Weight distribution | |||
| fuel tank capacity | 65 litres | 14.3 [17.2] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Alvis | ||
| Engine code | |||
| Cylinders | Straight 6 | ||
| Capacity | 3 litre 2993 cc (182.644 cu in) |
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| Bore × Stroke | 84 × 90 mm
3.31 × 3.54 in |
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| Bore/stroke ratio | 0.93 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 12 valves in total |
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| maximum power output (DIN) |
119 PS (117 bhp) (87 kW) at 4500 rpm |
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| maximum torque (DIN) |
221 Nm (163 ft·lb) (22.5 kgm) at 2500 rpm |
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| Specific output (DIN) |
29.2 kW/litre 39.6 ps/litre 39.1 bhp/litre 0.64 bhp/cu in |
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| Specific torque (DIN) |
73.84 Nm/litre
0.89 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 8.5:1 | ||
| Fuel system | 2 SU H6 carburettors | ||
| bmep (brake mean effective pressure) | 927.9 kPa (134.6 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 498.83 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 | 170 km/h (106 mph) | ||
| Power-to-weight ratio | Higher is better 80.42 PS/tonne (1000 kg) 0.08 PS/kg 59.15 kW/tonne (1000 kg) 0.06 kW/kg 79.32 bhp/tonne (1000 kg) 0.08 bhp/kg 0.04 bhp/lb |
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| Weight-to-power ratio | Lower is better 16.91 kg/kW 28.24 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 | |||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | 6.40-15 | ||
| Tyres rear | 6.40-15 | ||
| Brakes F/R | Di/Di-S | ||
| Front brake diameter | 292 mm | ||
| Rear brake diameter | 280 mm | ||
| Braked area | |||
| Gearbox | 5 speed manual | ||
| Top gear ratio | 0.85 | ||
| Final drive ratio | 3.77 | ||
| general | |||
| Carfolio.com ID | 520564 | ||
| Production total | |||
| Model code | |||
| RAC rating | 26.2 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1963 Alvis Graber Special added 2017-06-17. Last modified 2020-03-16. |
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