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The General Motors LS-based small-block engines are a family of V8 and offshoot V6 engines designed and manufactured by the American automotive company General Motors.First introduced in 1997, the family is a continuation of the earlier first- and second-generation Chevrolet small-block engine, of which over 100 million have been produced altogether [5] and is also considered one of the most ...
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.
The engines were also sold for marine and stationary applications. In a 1938 reorganization, Winton Engine Corporation became the GM Cleveland Diesel Engine Division, and GM's Detroit Diesel Engine Division began production of smaller (50–149 cu in (0.8–2.4 L) per cylinder) diesel engines. Locomotive engines were moved under the GM Electro ...
The High Value engine family from General Motors is a group of cam-in-block or overhead valve V6 engines.These engines feature cast iron blocks and aluminum heads, and use the same 60° vee bank as the 60° V6 family they are based on, but the new 99 mm (3.90 in) bore required offsetting the bores by 1.5 mm (0.059 in) away from the engine center line.
Later models introduced another version of the Vortec 5.3-liter V8 as the engine is now capable of running on E85 ethanol. On normal gasoline, it produces 320 hp (239 kW) and 335 lb⋅ft (454 N⋅m) of torque, whereas on E85, its output rises to 326 hp (243 kW) and 348 lb⋅ft (472 N⋅m) of torque, up from 310 hp (231 kW) and 335 lb⋅ft (454 ...
Carried over from the previous generation medium-duty C/K trucks, the standard gasoline engine was a 6.0L V8 with a 7.0L V8 being optional; both engines gained fuel injection. [6] For 1999, the 6.0L and 7.0L engines were dropped, making the 7.4L V8 the standard engine; for 2001, the engine was replaced by a larger 8.1L Vortec V8 (the largest ...
For 1988, the 5.0L engine was dropped from the line, with the 5.7L V8 becoming the standard engine. In a trim revision, the R/V line adopted the nomenclature of its GMT400 successor, with all vehicles adopting the 1500/2500/3500 payload series (previously used by GMC) and the base Custom Deluxe trim retired and replaced by a revived Cheyenne trim.
Standard engine on 1500 and light-duty 2500 vans (was also available on heavy-duty 2500 vans until 2002) Final engine derived from original Chevrolet small-block V8 263 cu in (4.3 L) V6 GM 90° V6: 2018–present (LV1) EcoTec3 Standard engine on current production; replaced 4.8L V8 293 cu in (4.8 L) V8 GM Generation III small-block V8