Where should the valve cover breather connect on my Cleveland. To the air cleaner or to a vacuum source. Should a PCV valve be used?
PCV valve
- Thread starter candphall
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95Vert383AOD
15 Year Member
horse sence
15 Year Member
use a pcv valve to relieve crank case pressure or seals will start to leak. a spacer beneath the carb with a port is easiest or a nipple screwed into the intake
Is this in addition to the aircleaner breather attachment? My valve covers have only one breather.
Iamdiffrnt
Member
If that's all you have then that's what you use. Run the breather to the air cleaner. The pcv is just basically a controlled vacuum leak routed to the valve cover. That way if everything is working correctly, the breather works as an air cleaner for your crankcase, and all of the vaporized oil and other combustion byproducts go into the intake to be burned.
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