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2. Crankcase ventilation system - Wikipedia

   en.wikipedia.org/wiki/Crankcase_ventilation_system

   PCV valve on Ford Taunus V4 engine (feeding from left side valve cover into the inlet manifold) A crankcase ventilation system (CVS) removes unwanted gases from the crankcase of an internal combustion engine. The system usually consists of a tube, a one-way valve and a vacuum source (such as the inlet manifold).

3. Rocker cover - Wikipedia

   en.wikipedia.org/wiki/Rocker_cover

   A Shelby Mustang Windsor V8 engine with "Cobra Powered by Ford" labeled rocker (valve) cover (lower left) A 4-cylinder Lycoming O-320 aircraft engine, with the rocker box cover of one cylinder (of the two visible) removed to expose its rocker arms for inspection. A rocker cover, (UK), or valve cover (elsewhere) is a cover that encloses the ...

4. Saturn I4 engine - Wikipedia

   en.wikipedia.org/wiki/Saturn_I4_engine

   The head casting was changed to accommodate different mounting surface of the new valve. (1994 CA emissions engines used an adapter to mount the LEGR valve.) A new LL0 cylinder head appeared in 1999 using a roller camshaft with hydraulic lifters and rocker arms, but power was unchanged.

5. Rocker arm - Wikipedia

   en.wikipedia.org/wiki/Rocker_arm

   Some OHC engines employ short rocker arms, also known as fingers, in which the cam lobe pushes down (rather than up) on the rocker arm to open the valve. On this type of rocker arm, the fulcrum is at the end rather than the middle, while the cam acts on the middle of the arm. The opposite end opens the valve. These types of rocker arms are ...

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

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

   1987 – The valve cover surfaces were changed so that the mounting lip was raised and the bolt location was moved from 4 bolts on the perimeter to 4 bolts along the centerline of the valve covers (this design debuted on the Corvette in 1986, and the Chevrolet 4.3L 90 degree V6 the year before). Also changed were the mounting angles of the two ...

7. AOL.com - News, Sports, Weather, Entertainment, Local & Lifestyle

   www.aol.com

   AOL latest headlines, entertainment, sports, articles for business, health and world news.