The GM L3B engine is a turbocharged four-cylinder gasoline engine designed by General Motors. Production takes place at GM's Spring Hill Manufacturing. In addition to GM's active fuel management, start-stop system, and variable valve timing, which are already featured on GM's other full-size pickup truck engines, this engine also features GM's Intake Valve Lift Control which has 3 different intake cam profiles that are electromagnetically-actuated to provide the best fuel economy and performance at a wider range of operating conditions.
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| - Motor L3B de General Motors (es)
- GM L3B engine (en)
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| - El motor GM L3B es un motor de cuatro cilindros en línea completamente nuevo introducido en la Chevrolet Silverado 2019 y también sería incorporado en el Cadillac CT4-V de 2021. La producción se lleva a cabo en la planta de Spring Hill (Tennessee) de General Motors. (es)
- The GM L3B engine is a turbocharged four-cylinder gasoline engine designed by General Motors. Production takes place at GM's Spring Hill Manufacturing. In addition to GM's active fuel management, start-stop system, and variable valve timing, which are already featured on GM's other full-size pickup truck engines, this engine also features GM's Intake Valve Lift Control which has 3 different intake cam profiles that are electromagnetically-actuated to provide the best fuel economy and performance at a wider range of operating conditions. (en)
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| - General Motors L3B engine (en)
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| - General Motors L3B engine (en)
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turbocharger
| - Single BorgWarner Dual-Volute w/ electrically actuated wastegate (en)
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valvetrain
| - DOHC 4 valves/cyl with VVT and VVL (en)
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| - The GM L3B engine is a turbocharged four-cylinder gasoline engine designed by General Motors. Production takes place at GM's Spring Hill Manufacturing. In addition to GM's active fuel management, start-stop system, and variable valve timing, which are already featured on GM's other full-size pickup truck engines, this engine also features GM's Intake Valve Lift Control which has 3 different intake cam profiles that are electromagnetically-actuated to provide the best fuel economy and performance at a wider range of operating conditions. The engine is the first GM truck engine to feature an active thermal management system. This system consists of an electrically-driven water pump and a 3-way rotary valve which allows the engine to maintain proper operating temperatures and quicker warm-ups. Also, a continuously variable oil pump helps to lower parasitic losses as well as providing proper lubrication and cooling to the engine, especially under high-load conditions. The BorgWarner developed turbo can produce up to 22 psi (1.5 bar) of boost thanks in part to its unique dual volute turbine housing and an electrically actuated wastegate. Instead of two side-by-side exhaust passages like on a regular twin-scroll turbocharger, in this design the two exhaust passages are concentric and allow for better use of the exhaust pulse energy. (en)
- El motor GM L3B es un motor de cuatro cilindros en línea completamente nuevo introducido en la Chevrolet Silverado 2019 y también sería incorporado en el Cadillac CT4-V de 2021. La producción se lleva a cabo en la planta de Spring Hill (Tennessee) de General Motors. (es)
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