Energy Exhaust Oil Sodium 
Green Car Congress
SEPTEMBER 20, 2012
Increased efficiency in all of the new Ecotec engines is achieved in part through lower engine friction, which was reduced by up to 16% using new technologies such as a variable-displacement oil pump. Modular balance shaft system in the oil pan. Rotocast aluminum cylinder head with sodium-filled exhaust valves.
Green Car Congress
DECEMBER 1, 2017
liter turbocharged I-4 engine is part of the Global Medium Engine architecture family and features Double Overhead Camshafts (DOHC), dual independent camshaft timing, and a cooled exhaust gas recirculation (C-EGR) system. A large capacity oil cooler extends the oil change interval and ensures engine durability.
Green Car Congress
JULY 17, 2010
Moreover, the highly compressed and high-temperature air-fuel mixture is cooled by the latent heat of the vaporization of fuel directly injected into the cylinder, and the temperature of the combustion chamber is lowered by adopting a piston-cooling channel and sodium-filled valves to control detonation. km/L (61 mpg US, 3.85
Green Car Congress
SEPTEMBER 30, 2009
A die cast, structural aluminum oil pan adds further stiffness and provides further noise reduction. Continuously variable valve timing is featured in all engines on both inlet and exhaust sides, except the 1.6-liter The coolant thermostat and the oil pump are electronically controlled to improve engine heat up. liter turbo.
Green Car Congress
JULY 21, 2011
Distinguishing features versus the M157 include new intake air ducting, new cylinder heads, the modified valve drive, an adapted oil supply system and an optimized crankcase. The cylinder shut-off system is enabled by an engine management system with 16 hydraulic actuators and a complex oil supply system in the cylinder head.
Green Car Congress
JULY 27, 2010
The compressor wheel is being driven by hot exhaust gases coming out of the exhaust manifold. A wastegate opens to regulate the compressor drive power by letting excess exhaust gases escape through the exhaust pipe. Variable-flow oil pump. Piston-cooling oil jets. Oil-water cooler. Turbo Airflow.
Green Car Congress
MARCH 20, 2015
All-new oiling system moves the pump inside the block for quieter operation. The two-stage oil pump also enhances efficiency. This new, parallel-flow design maximizes heat extraction in the area of the upper deck, intake and exhaust valve bridges in the heads and integrated exhaust manifold with a minimal amount of coolant.
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