Car Specs

1971 Pontiac GTO

Information

Pontiac

Quick Facts

Build Start: 1971

Available in other variants

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Specifications

General

Build Start: 1971
Model Variant: GTO

Dimensions

Width: 1948mm
Wheelbase: 2845mm
Track/tread (rear): 1524mm
Length: 5164mm
Height: 1321mm
Fuel Tank Capacity: 72litres
Track/tread (front): 1549mm

Body Details

Body Type: 2+2 seater fixed-head coupé

Engine Details

Engine Type: naturally aspirated petrol
Engine Code: LS5
Capacity: 7.5 litre (7462cc)
Bore/stroke ratio: 0.99
Engine Construction: cast iron block & head
Compression Ratio: 8.4:1
Catalytic converter: N
Engine Layout: longitudinal
Top Gear Ratio: 1
Engine Manufacturer: Pontiac
Cylinders: V 8 in 90° vee
Bore × Stroke: 105.4 × 106.9mm
Sump: wet sumped
Engine Coolant: Water
Aspiration: Normal
Engine Position: front
Gearbox: 4 speed manual
Final Drive Ratio: 3.55

Performance

Drive Wheels: rear wheel drive

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Fuel Consump.

Fuel system: 1 carburettor

Chassis & Geomtry

Length:Wheelbase Ratio: 1.82

Brakes

bmep (brake mean effective pressure): 1096.3kPa
Brakes F/R: Dr/Dr
Rear brake diameter: 241mm
Front Brake Diameter: 241mm

Wheels & Tyres

Wheel Size Front: 14x5
Tyres Front: G70-14
Wheel Size Rear: 14x5
Tyres Rear: G70-14

Other

maximum power output(Gross): 340 PS (335 bhp) (250 kW)at 4800 rpm
maximum torque(Gross): 651 Nm (480 ft·lb) (66.4 kgm)at 3600 rpm
Unitary Capacity: 932.75cc
RAC rating: 55.1
Valve Gear: overhead valve (OHV), 2 valves per cylinder, 16 valves in total
Specific output(Gross): 44.9 bhp/litre0.74 bhp/cu in
Specific torque(Gross): 87.24 Nm/litre, 1.05 ft·lb/cu3
Number of doors: 2

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