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2. Crankcase ventilation system - Wikipedia

   en.wikipedia.org/wiki/Crankcase_ventilation_system

   A second function of the PCV valve is to act as a flame arrester and to prevent positive pressure from the intake system from entering the crankcase. This can happen on turbocharged engines or when a backfire takes place, and the positive pressure could damage the crankcase seals and gaskets, or even cause a crankcase explosion.

3. Exhaust gas recirculation - Wikipedia

   en.wikipedia.org/wiki/Exhaust_gas_recirculation

   However, the tripartite mixture resulting from employing both EGR and PCV in an engine (i.e. exhaust gas, fresh air, and oil vapour) can cause the buildup of sticky tar in the intake manifold and valves. This mixture can also cause problems with components such as swirl flaps, where fitted. (These problems, which effectively take the form of an ...

4. Talk:Crankcase ventilation system - Wikipedia

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

   After having PCV issues with my personal car I have added some information regarding the additional function of PCV valves and the system as a whole in boosted cars. I have also briefly touched on the scavenging effect and how ideally a PCV system would keep the crankcase under slight negative pressure.

5. Vehicle emissions control - Wikipedia

   en.wikipedia.org/wiki/Vehicle_emissions_control

   The first effort at controlling pollution from automobiles was the PCV (positive crankcase ventilation) system. This draws crankcase fumes heavy in unburned hydrocarbons – a precursor to photochemical smog – into the engine's intake tract so they are burned rather than released unburned from the crankcase into the atmosphere.

6. Performers announced for the 2025 Grammy Awards - AOL

   www.aol.com/performers-announced-2025-grammy...

   The first performers for the 67th Annual Grammy Awards have been announced. Stars like Chappell Roan and Shakira will perform on music's biggest night.

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

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

   In 1968, the engine had the chrome covers, but without the Chevrolet name, connected to a PCV valve and a chrome 14 in × 3 in (355.6 mm × 76.2 mm) drop-base open-element air cleaner assembly fitted with a crankcase breather on a 780 cu ft/min (22 m 3 /min) vacuum secondary Holley 4-Bbl carburetor. 1969 Corvette and 1970 Z/28 engines were also ...

8. This Popular Food May Put You at Greater Risk for Dementia - AOL

   www.aol.com/popular-food-may-put-greater...

   The researchers also discovered that people in the high group had lower cognitive function and faster brain aging compared to people in the low group. “Higher intake of red meat, particularly ...

9. Whose cardiovascular health do SGLT2, GLP-1 diabetes drugs ...

   www.aol.com/whose-cardiovascular-health-sglt2...

   Previous studies have found that SGLT2 inhibitors appear to lower HbA1c less in patients with worse kidney function.” “GLP-1 agonists appear to be less affected by this interaction,” he added.