Motore Lancia 831 A7

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Motore Lancia 831 A7 - 1600 Turbo
1983 - 1986

Description

Derived from the 4-cylinder engine widely used up to the 1980s in many FIAT and Lancia automobiles, the 831 A7 was the first Lancia engine to be equipped with a turbocharging system (with exhaust gas turbine). In 1983 this engine made its debut in the first series of the Lancia Delta 1600 Turbo.

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Technical specifications

Manufacturer	Lancia, Turin, Italy, from 1983 to 1986
Type	831 A7.000
Description	inline 4-cylinder engine, aluminium alloy head and cylinder block made of cast iron with 5 main bearings, aluminium alloy head
Stroke	71.5 mm
Bore	84 mm
Displacement	1585 cm³
Compression ratio	8.0
Power	130 hp at 5600 rpm
Specific power	82.0 hp/litre
Valvetrain system	2 overhead valves per cylinder, operated by two overhead camshaft driven by a toothed belt
Fuel feeding system	with a twin-barrel gasoline carburettor Weber 32 DAT 18/250, placed downstream of the compressor
Supercharging system	exhaust gas turbocharger Garrett T3 with and air-to-air cooler
Ignition system	one spark plug per cylinder fed by a distributor controlled by an electronically controlled system Magneti Marelli IAW
Cooling system	liquid-fed by a centrifugal pump
Lubrication system	forced by a gear pump, with an oil cooler

Application

Lancia Delta 1600 HF Turbo