Car Specs

1981 Buick LeSabre Diesel

Information

Buick

Quick Facts

Chassis Code: 4B

Build Start: 1981

Available in other variants

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Specifications

General

Build Start: 1981
Model Variant: 4B
Chassis Code: 4B

Dimensions

Track/tread (rear): 1542mm
Width: 1928mm
Wheelbase: 2944mm
Track/tread (front): 1570mm
Length: 5547mm
Height: 1397mm
Fuel Tank Capacity: 102.3litres

Body Details

Body Type: 4/5 seater sedan/saloon

Engine Details

Top Gear Ratio: 1
Engine Type: naturally aspirated diesel
Engine Code: LF9
Capacity: 5.7 litre (5738cc)
Bore/stroke ratio: 1.2
Sump: wet sumped
Crankshaft Bearings: 5
Catalytic converter: Y
Engine Layout: longitudinal
Engine Manufacturer: GM
Cylinders: V 8 in 90° vee
Bore × Stroke: 103.05 × 86mm
Compression Ratio: 22.5:1
Engine Coolant: Water
Aspiration: Normal D.
Engine Position: front
Gearbox: 3 speed automatic

Performance

Drive Wheels: rear wheel drive

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Fuel Consump.

Fuel system: diesel injection pump

Chassis & Geomtry

Length:Wheelbase Ratio: 1.88
Turns Lock-to-Lock: 3.370

Brakes

Front Brake Diameter: 279mm
bmep (brake mean effective pressure): 593.5kPa
Brakes F/R: VeDi/Dr-S

Wheels & Tyres

Wheel Size Rear: 15x6
Tyres Rear: P205/75 R 15
Wheel Size Front: 15x6
Tyres Front: P205/75 R 15

Other

RAC rating: 52.7
maximum power output(SAE net): 106 PS (105 bhp) (78 kW)at 3200 rpm
Specific output(SAE net): 13.6 kW/litre18.6 ps/litre, 18.3 bhp/litre0.3 bhp/cu in
Unitary Capacity: 717.25cc
Model code: N69
Valve Gear: overhead valve (OHV), 2 valves per cylinder, 16 valves in total
maximum torque(SAE net): 271 Nm (200 ft·lb) (27.6 kgm)at 1600 rpm
Specific torque(SAE net): 47.23 Nm/litre, 0.57 ft·lb/cu3
Number of doors: 4

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