General Motors 60° V6 engine
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The General Motors 60° V6 engine family is a series of 60° V6 engines produced for both longitudinal and transverse applications. All of these engines are 12-valve cam-in-block or overhead valve engines, except for the LQ1 which uses 24 valves driven by dual overhead cams. These engines vary in displacement between 2.8 and 3.4 litres (2,837 and 3,350 cc) and have a cast-iron block and either cast-iron or aluminum heads. Production of these engines began in 1980 and ended in 2005 in the U.S., with production continued in China until 2010. This engine family was the basis for the GM High Value engine family. These engines have also been referred to as the X engines as they were first used in the X-body cars.
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General Motors 60° V6 engine | |
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Overview | |
Manufacturer | General Motors |
Also called | X engine |
Production | 1980–2005 (US) 1997–2010 (China) |
Layout | |
Configuration | 60° V6 |
Displacement |
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Cylinder bore |
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Piston stroke |
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Cylinder block material | Cast iron |
Cylinder head material |
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Valvetrain |
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Compression ratio | 8.5:1, 9.6:1 |
Combustion | |
Turbocharger | Only on LG5 |
Fuel system | |
Fuel type | Gasoline, M85, E85 |
Oil system | Wet sump |
Cooling system | Water-cooled |
Output | |
Power output | 112–215 hp (84–160 kW) |
Torque output | 145–225 lb⋅ft (197–305 N⋅m) |
Chronology | |
Successor |
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This engine is not related to the GMC V6 engine that was designed for commercial vehicle usage.
This engine family was developed by Chevrolet, although it was used by many GM divisions, except for Saturn and Geo.