Car Specs

1970 Pontiac LeMans Sport Convertible

Information

Pontiac

Quick Facts

Build Start: 1970

Available in other variants

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Specifications

General

Build Start: 1970
Model Variant: LeMans

Dimensions

Wheelbase: 2845mm
Track/tread (rear): 1524mm
Width: 1948mm
Track/tread (front): 1549mm
Length: 5144mm
Height: 1328mm

Body Details

Body Type: 4/5 seater convertible/cabriolet

Engine Details

Engine Coolant: Water
Aspiration: Normal
Engine Position: front
Gearbox: 3 speed manual
Final Drive Ratio: 3.23
Engine Manufacturer: Pontiac
Capacity: 4.1 litre (4093cc)
Bore/stroke ratio: 1.1
Engine Construction: cast iron block & head
Compression Ratio: 8.5:1
Crankshaft Bearings: 7
Catalytic converter: N
Engine Layout: longitudinal
Top Gear Ratio: 1
Engine Type: naturally aspirated petrol
Cylinders: Straight 6
Bore × Stroke: 98.4 × 89.7mm
Sump: wet sumped

Performance

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): 976.3kPa
Brakes F/R: Dr/Dr

Wheels & Tyres

Tyres Rear: F78-14
Tyres Front: F78-14

Other

maximum power output(Gross): 157 PS (155 bhp) (116 kW)at 4200 rpm
maximum torque(Gross): 318 Nm (235 ft·lb) (32.4 kgm)at 1600 rpm
Unitary Capacity: 682.17cc
RAC rating: 36.0
Number of doors: 2
Valve Gear: overhead valve (OHV), 2 valves per cylinder, 12 valves in total
Specific output(Gross): 37.9 bhp/litre0.62 bhp/cu in
Specific torque(Gross): 77.69 Nm/litre, 0.94 ft·lb/cu3

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