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The GM Ecotec engine, also known by its codename L850, is a family of all-aluminium inline-four engines, displacing between 1.2 and 2.5 litres.Confusingly, the Ecotec name was also applied to both the Buick V6 Engine when used in Holden Vehicles, as well as the final DOHC derivatives of the previous GM Family II engine; the architecture was substantially re-engineered for this new Ecotec ...
SIDI (Spark Ignition Direct Injection) Ecotec – petrol Medium Gasoline Engine produced by Adam Opel AG. EcoTec3 is the name used on General Motors' Small Block Gen 5 Engines. All include direct injection, cylinder deactivation, and continuously variable valve timing, either in V6 form of 4.3L or V8 form of either 5.3L or 6.2L.
It was the simplest, most basic 5.3L V8 of its family, lacking any special technologies. Also known as the Vortec 5300, the LH8 was available in the H3 and GM mid-size pickups through 2009. The LH8 is a variant of the 5.3L Gen IV small-block V8 modified to fit in the engine bay of the GMT345 SUV and GMT355 trucks.
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.
This was Chevrolet's second 4.3L power plant; four other Chevrolet engines displaced 4.3L: the Vortec 4300 (a V6 based on the Chevrolet 350 cu in (5.7 L), with two cylinders removed), the original 265 cu in (4.3 L) V8 in 1954, a bored version of the stovebolt-era 235 inline six displacing 261 cu in (4.3 L), and a derivative of the Generation II ...
WASHINGTON — An associate of a Jan. 6 defendant pleaded guilty this week to charges that the two men plotted “to murder employees of the Federal Bureau of Investigation.”
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In late 2014, Chevrolet released the 2015 Silverado SSV (Special Service Vehicle) to complement its lineup of law enforcement vehicles. The SSV Silverado was available in the 1500 Crew Cab with either the short (5.5') or standard (6.5') box. The 5.3L EcoTec3 V8 was the only engine option, and the SSV was based on the WT trim.
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