Car Specs

1973 Buick Centurion Convertible

Information

Buick

Quick Facts

Chassis Code: 4BP

Build Start: 1973

Available in other variants

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Specifications

General

Build Start: 1973
Model Variant: 4BP
Chassis Code: 4BP

Dimensions

Wheelbase: 3150mm
Width: 2022mm
Length: 5695mm
Height: 1377mm

Body Details

Body Type: 2+2 seater convertible/cabriolet

Engine Details

Final Drive Ratio: 2.73
Engine Manufacturer: Buick
Capacity: 7.4 litre (7425cc)
Bore/stroke ratio: 1.1
Compression Ratio: 8.5:1
Engine Coolant: Water
Aspiration: Normal
Engine Layout: longitudinal
Gearbox: 3 speed automatic
Engine Type: naturally aspirated petrol
Cylinders: V 8 in 90° vee
Bore × Stroke: 109.22 × 99.06mm
Specific output(Net): 33.7 bhp/litre0.55 bhp/cu in
Specific torque(Net): 68.42 Nm/litre, 0.83 ft·lb/cu3
Crankshaft Bearings: 5
Engine Position: front
Top Gear Ratio: 1

Performance

maximum power output(Net): 253 PS (250 bhp) (186 kW)at 4000 rpm
maximum torque(Net): 508 Nm (375 ft·lb) (51.8 kgm)at 2800 rpm
Drive Wheels: rear wheel drive

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Fuel Consump.

Fuel system: 1 carburettor

Chassis & Geomtry

Length:Wheelbase Ratio: 1.81

Brakes

bmep (brake mean effective pressure): 859.8kPa

Wheels & Tyres

Tyres Front: L78-15
Tyres Rear: L78-15

Other

RAC rating: 59.2
Model code: 67
Number of doors: 2
Valve Gear: overhead valve (OHV), 2 valves per cylinder, 16 valves in total
Unitary Capacity: 928.13cc

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