Car Specs

1973 Pontiac Le Mans 'Colonnade' Sport Coupé GTO 400

Information

Pontiac

Quick Facts

Build Start: 1973

Available in other variants

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Specifications

General

Build Start: 1973
Model Variant: Le

Dimensions

Wheelbase: 2845mm
Track/tread (rear): 1542mm
Width: 1974mm
Track/tread (front): 1562mm
Length: 5268mm
Height: 1344mm
Fuel Tank Capacity: 81.5litres

Body Details

Body Type: 4/5 seater fixed-head coupé

Engine Details

Sump: wet sumped
Crankshaft Bearings: 5
Engine Position: front
Gearbox: 4 speed manual
Engine Type: naturally aspirated petrol
Cylinders: V 8 in 90° vee
Bore × Stroke: 104.6 × 95.25mm
Bore/stroke ratio: 1.1
Engine Construction: cast iron block & head
Compression Ratio: 8:1
Engine Coolant: Water
Aspiration: Normal
Engine Layout: longitudinal
Top Gear Ratio: 1
Engine Manufacturer: Pontiac
Capacity: 6.5 litre (6548cc)

Performance

Drive Wheels: rear wheel drive

Fuel Consump.

Fuel system: 1 carburettor

Chassis & Geomtry

Length:Wheelbase Ratio: 1.85

Brakes

Front Brake Diameter: 282mm
bmep (brake mean effective pressure): 844.4kPa
Brakes F/R: Di/Dr-S
Rear brake diameter: 241mm

Wheels & Tyres

Tyres Rear: G60 x 15
Tyres Front: G60 x 15

Other

Valve Gear: overhead valve (OHV), 2 valves per cylinder, 16 valves in total
maximum torque(SAE net): 440 Nm (325 ft·lb) (44.9 kgm)at 3200 rpm
Specific torque(SAE net): 67.2 Nm/litre, 0.81 ft·lb/cu3
Unitary Capacity: 818.5cc
RAC rating: 54.3
maximum power output(SAE net): 233 PS (230 bhp) (172 kW)at 4400 rpm
Specific output(SAE net): 26.2 kW/litre35.6 ps/litre, 35.1 bhp/litre0.58 bhp/cu in
Number of doors: 2

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