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Volkswagen G60 engine

Volkswagen G60 engine
Volkswagen G40 engine
Overview
Manufacturer Volkswagen Group
Production G60: August 1988–July 1993
G40: August 1986–July 1994
Combustion chamber
Configuration inline-four automobile petrol engine
Displacement G60: 1,781 cc (108.7 cu in)
G40: 1,272 cc (77.6 cu in)
Cylinder bore G60: 81.0 mm (3.189 in)
G40: 75.0 mm (2.953 in)
Piston stroke G60: 86.4 mm (3.402 in)
G40: 72.0 mm (2.835 in)
Cylinder block alloy grey cast iron
Cylinder head alloy cast aluminium alloy
Valvetrain 2 valves per cylinder, hydraulic valve lifters, belt-driven single overhead camshaft (SOHC)
Compression ratio 8.0:1
Combustion
Supercharger G-Lader, with intercooler
Fuel system common rail electronic multi-point fuel injection
Management Bosch Digifant
Fuel type unleaded petrol (gasoline)
Oil system wet sump
Cooling system water-cooled
Output
Power output G60: 118 kW (160 PS; 158 bhp)
G40: 85 kW (116 PS; 114 bhp)
Torque output G60: 225 N·m (166 lbf·ft)
G40: 150 N·m (111 lbf·ft)
Chronology
Successor 2005 1.4-litre 'Twincharger'

G60 refers to an inline-four cylinder automobile petrol engine, which uses a specific method of forced induction - by way of a specific type of supercharger. The G60 engine was formerly manufactured by the German carmaker Volkswagen Group, and was installed in a limited number and range of 'hot hatch' cars from their Volkswagen Passenger Cars marque from August 1988 to July 1993.

A smaller G40 engine of identical design had earlier been installed in the Mk2 Volkswagen Polo GT G40 from August 1986 to July 1994.

The G60 is a 1.8-litre internal combustion engine, which displaces 1,781 cubic centimetres (108.7 cu in) from a cylinder bore of 81.0 millimetres (3.189 in), and a piston stroke of 86.4 millimetres (3.402 in). Its cylinder block is constructed from grey cast iron, and its cylinder head is cast aluminium alloy, with additional post-production heat treatment. The crankcase contains a forged steel crankshaft which runs in five main bearings, and cast pistons with increased size gudgeon pins. It has two valves per cylinder (eight valves in total), which are operated by a toothed belt-driven forged steel single overhead camshaft (SOHC) via hydraulic valve lifters, with the valves being closed by two concentric valve springs. Charged air is cooled via an intercooler, and the operation and control of the engine is managed by a Bosch Digifant engine control unit, which includes common rail electronic multi-point fuel injection and a knock sensor. It produced a maximum rated motive power output of 118 kilowatts (160 PS; 158 bhp) at 5,800 revolutions per minute (rpm), and could generate a turning force torque of 225 newton metres (166 lbf·ft) at 4,000 rpm.


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