page_title: General Motors 60° V6 engine
section_title: LB8
hierarchical_section_title: General Motors 60° V6 engine / Production in China by SAIC-GM / LB8
caption_attribution_description: English: V6 engine of Buick G model made in Shanghai GM,China(2002)
context_page_description: The General Motors 60° V6 engine family was a series of 60° V6 engines which were 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 2.5 and 3.4 litres 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 due to their first usage in the X-body cars.
  This engine is not related to the GMC V6 engine that was designed for commercial vehicle usage.
context_section_description: The LB8 is General Motors' base V6 in China. It is a derivative of the LG8 with the same 89 mm (3.5 in) bore and a shorter 66.7 mm (2.6 in) stroke for 2.5 L (2,490 cc). It remains an iron block with pushrods and an aluminum two-valve head. Power is 145 hp (108 kW) and 155 lb⋅ft (210 N⋅m).
  Applications:
  Buick GL/GLX (China)
  Buick GL8 (China)
  Buick Regal (China)
caption: 2.5 L 60° V6 (LB8)
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