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The M177 was the first variation released in the Mercedes-AMG C63. [5] In contrast to the M178, this version of the engine uses wet-sump lubrication. In the C63 and GLC63 applications, the turbos are single-scrolled, whereas in E63 and S63 are twin-scrolled and different exhaust manifold.
The engine capacity was lowered to 3.0 L (2,998 cc) to satisfy engine displacement tax laws in Europe by changing the bore to 90.9 mm (3.58 in). September 1979 saw a new camshaft with greater valve lift let air and exhaust gases have less resistance. Power output rose to 88 PS (65 kW; 87 hp).
In most steam engine designs there is a short time at the end of the return stroke of the piston when all the valves are shut and it is compressing any remaining steam. Water can be introduced from the boiler or in a cold engine, steam will condense to water on the cool walls of the cylinders and can potentially hydrolock an engine.
Another route involves welding the internal wastegate shut which permanently keeps it from opening, but failure of the weld can allow it to open again. External wastegates generally use a valve similar to the poppet valve found in the cylinder head. However they are controlled by pneumatics rather than a camshaft and open in the opposite direction.
Solenoid valves are used to control valve activation that is electronically operated. These are used for controlling liquid or gas flow and are most commonly used in fluidics as control elements. They are multifunctional in a way to release, shut off, mix, or distribute fluids with high reliability and fast processing.
Dieseling or engine run-on is a condition that can occur in spark-plug-ignited, gasoline-powered internal combustion engines, whereby the engine keeps running for a short period after being turned off, drawing fuel through the carburetor, into the engine and igniting it without a spark.
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A shutdown valve (also referred to as SDV or emergency shutdown valve, ESV, ESD, or ESDV; or safety shutoff valve) is an actuated valve designed to stop the flow of a hazardous fluid upon the detection of a dangerous event. This provides protection against possible harm to people, equipment or the environment.