Car Specs

1970 Pontiac Strato-Chief Hydra-Matic

Information

Pontiac

Quick Facts

Build Start: 1970

Available in other variants

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Specifications

General

Build Start: 1970
Model Variant: Strato-Chief

Dimensions

Wheelbase: 3023mm
Track/tread (rear): 1608mm
Width: 2027mm
Track/tread (front): 1610mm
Length: 5532mm
Height: 1410mm
Fuel Tank Capacity: 90.9litres

Body Details

Body Type: 4/5 seater sedan/saloon

Engine Details

Gearbox: 3 speed automatic
Final Drive Ratio: 2.56
Engine Type: naturally aspirated petrol
Cylinders: V 8 in 90° vee
Bore × Stroke: 101.6 × 88.4mm
Sump: wet sumped
Engine Coolant: Water
Aspiration: Normal
Engine Position: front
Top Gear Ratio: 1
Engine Manufacturer: Pontiac
Capacity: 5.7 litre (5733cc)
Bore/stroke ratio: 1.15
Engine Construction: cast iron block & head
Compression Ratio: 9:1
Catalytic converter: N
Engine Layout: longitudinal

Performance

Drive Wheels: rear wheel drive

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Fuel Consump.

Fuel system: 1 carburettor

Chassis & Geomtry

Length:Wheelbase Ratio: 1.83

Brakes

Front Brake Diameter: 279mm
Brakes F/R: Dr/Dr
Rear brake diameter: 279mm
bmep (brake mean effective pressure): 1025.8kPa

Wheels & Tyres

Tyres Rear: F78 x 15
Wheel Size Rear: 15x5
Tyres Front: F78 x 15
Wheel Size Front: 15x5

Other

Valve Gear: overhead valve (OHV), 2 valves per cylinder, 16 valves in total
maximum torque(Gross): 468 Nm (345 ft·lb) (47.7 kgm)at 2800 rpm
Specific torque(Gross): 81.63 Nm/litre, 0.99 ft·lb/cu3
Number of doors: 4
RAC rating: 51.2
maximum power output(Gross): 253 PS (250 bhp) (186 kW)at 4800 rpm
Specific output(Gross): 32.5 kW/litre44.2 ps/litre, 43.6 bhp/litre0.71 bhp/cu in
Unitary Capacity: 716.63cc

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