Daewoo S-TEC engine

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S-TEC is a low-displacement engine range codeveloped by Suzuki and Daewoo Motors for use in micro- and subcompact cars.

The first model was 0.8 L Straight-3 engine, based on the powerplant of the Suzuki Alto. It was used in Daewoo Tico and later the Daewoo Matiz.

In 2002, the range was extended to 1.0 L and 1.2 L straight-4 engines and updated with EGR valve to reduce pollution. A new engine plant for the updated model T4 was built. The 1.0 version is used in Chevrolet Matiz and the 1.2 in the European Chevrolet Kalos.

In 2004 the 0.8/1.0 engines were updated again. New intake and exhaust systems, along with low-friction aluminum cam followers with rollers were added, resulting in better economy. They are used in Chevrolet Matiz (model M200).

For 2008, a new 1.2 L version dubbed S-TEC II is introduced with the new Chevrolet Aveo hatchback; new features include chain-driven 16-valve DOHC valvetrain and variable intake geometry.

See also

  • GM E-TEC II engine