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  2. Crankcase ventilation system - Wikipedia

    en.wikipedia.org/wiki/Crankcase_ventilation_system

    The first refinement in crankcase ventilation was the road draught tube. This is a pipe running from the crankcase (or the valve cover on an overhead valve engine) down to a downwards-facing open end located in the vehicle's slipstream. When the vehicle is moving, airflow across the open end of the tube creates suction (a "draught" or draft ...

  3. BMW N63 - Wikipedia

    en.wikipedia.org/wiki/BMW_N63

    In 2012, a "Technical Update" was applied to the N63, resulting in the N63TU variants (also known as N63B44O1).The main upgrade was the addition of Valvetronic. [11] [12] Other changes include revised turbochargers, removal of the blowoff valve, lighter pistons, forged connecting rods and crankshaft, addition of a valve cover labyrinth oil catch/return system, new valve stem seals, revised ...

  4. Blowoff valve - Wikipedia

    en.wikipedia.org/wiki/Blowoff_valve

    The sound produced by compressor surge is called turbo flutter and the repeated, high speed cycling will cause a cyclic torque on the compressor and may lead to increased stresses on the bearings and compressor impeller. [2] A blowoff valve is designed to release pressure in the intake system when the throttle is closed.

  5. Chevrolet small-block engine (first- and second-generation)

    en.wikipedia.org/wiki/Chevrolet_small-block...

    From 1954 to 1974, the small-block engine was known as the "Turbo-Fire" or "High Torque" V8. However, it was the 350 cu in (5.7 L) series that became the best-known Chevrolet small-block. Installed in everything from station wagons and sports cars to commercial vehicles, boats, industrial equipment, and even (in highly modified form) in ...

  6. Chevrolet Turbo-Air 6 engine - Wikipedia

    en.wikipedia.org/wiki/Chevrolet_Turbo-Air_6_engine

    The Turbo-Air 6 is a flat-six engine that is primarily air-cooled. The engine's major components include an aluminum crankcase, two three-cylinder aluminum cylinder heads with integral intake manifolds, and six individual iron cylinder barrels.

  7. Manifold vacuum - Wikipedia

    en.wikipedia.org/wiki/Manifold_vacuum

    Manifold vacuum, or engine vacuum in a petrol engine is the difference in air pressure between the engine's intake manifold and Earth's atmosphere.. Manifold vacuum is an effect of a piston's movement on the induction stroke and the airflow through a throttle in the intake manifold of an engine.

  8. Wright R-3350 Duplex-Cyclone - Wikipedia

    en.wikipedia.org/wiki/Wright_R-3350_Duplex-Cyclone

    Developed before World War II, the R-3350's design required a long time to mature, and was still experiencing problems with reliability when used to power the Boeing B-29 Superfortress. After the war, the engine had matured sufficiently to be used in many civilian airliners, notably in its turbo-compound forms, and was used in the Lockheed L ...

  9. Talk:Crankcase ventilation system - Wikipedia

    en.wikipedia.org/wiki/Talk:Crankcase_ventilation...

    it also needs mention of PCV replacement - practiced by most, if not all, performance engine tuners - whereby the PCV system is substituted with an oil catch can and usually a breather filter venting crankcase gases to atmosphere instead of recirculating via the intake. - AL LOCKE | talk 06:07, 11 September 2008 (UTC) Quite right.

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