Car Specs

1970 Pontiac Grand Prix SJ

Information

Pontiac

Quick Facts

Build Start: 1970

Available in other variants

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Specifications

General

Build Start: 1970
Model Variant: Grand

Dimensions

Wheelbase: 2997mm
Track/tread (rear): 1524mm
Width: 1923mm
Track/tread (front): 1575mm
Length: 5339mm
Height: 1448mm

Body Details

Body Type: 4/5 seater fixed-head coupé

Engine Details

Catalytic converter: N
Engine Layout: longitudinal
Gearbox: 3 speed manual
Final Drive Ratio: 3.31
Bore × Stroke: 105.41 × 106.93mm
Engine Manufacturer: Pontiac
Capacity: 7.5 litre (7465cc)
Bore/stroke ratio: 0.99
Engine Construction: cast iron block & head
Compression Ratio: 10.25:1
Engine Coolant: Water
Aspiration: Normal
Engine Position: front
Top Gear Ratio: 1
Engine Type: naturally aspirated petrol
Cylinders: V 8 in 90° vee
Bore × Stroke: 105.41 x 106.93mm
Sump: wet sumped

Performance

Drive Wheels: rear wheel drive

Fuel Consump.

Fuel system: 1 Rochester Qudra-Jet carburettor

Chassis & Geomtry

Turns Lock-to-Lock: 5.600
Length:Wheelbase Ratio: 1.78

Brakes

Front Brake Diameter: 278mm
bmep (brake mean effective pressure): 1141.3kPa
Brakes F/R: VeDi/Dr-S
Rear brake diameter: 241mm

Wheels & Tyres

Wheel Size Rear: 14x7JJ
Tyres Rear: G78-14
Wheel Size Front: 14x7JJ
Tyres Front: G78-14

Other

Unitary Capacity: 933.13cc
maximum power output(Gross): 375 PS (370 bhp) (276 kW)at 4600 rpm
maximum torque(Gross): 678 Nm (500 ft·lb) (69.1 kgm)at 3100 rpm
Number of doors: 2
RAC rating: 55.1
Valve Gear: overhead valve (OHV), 2 valves per cylinder, 16 valves in total
Specific output(Gross): 49.6 bhp/litre0.81 bhp/cu in
Specific torque(Gross): 90.82 Nm/litre, 1.1 ft·lb/cu3

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