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It allows a V6 or V8 engine to "turn off" half of the cylinders under light-load conditions to improve fuel economy. Estimated performance on EPA tests shows a 5.5–7.5% improvement in fuel economy. [1] GM's Active Fuel Management [2] technology used a solenoid to deactivate the lifters on selected cylinders of a pushrod V-layout engine.
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 improved fuel economy and ...
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.
The LA Times reports General Motors (NYS: GM) saw higher fuel-efficient car sales in March as a reaction to higher gas prices. "Combined sales of its 12 vehicles that achieve an Environmental ...
The engine is essentially the same as the LV3, but without Active Fuel Management technology. The LV1 made its debut in the 2018 model year GM full-size vans—the 2018 Chevrolet Express and 2018 GMC Savana—as the successor to the Gen IV 4.8L L20. [86] Applications:
General Motors (GM) was founded in September of 1908. On June 1, 2009, at 8 a.m. -- almost 101 years later -- it ceased to exist, and control was handed over to turnaround executive Al Koch ...
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The LV1 engine is essentially the same as the LV3, but without Active Fuel Management technology. The LV1 made its debut in the 2018 model year GM full-size vans—the 2018 Chevrolet Express and GMC Savana—as the successor to the 4.8L Vortec engine.