From: CONAN@RALVM8.VNET.IBM.COM <CONAN@RALVM8.VNET.IBM.COM>
To: email@example.com <firstname.lastname@example.org>
Date: Wednesday, November 04, 1998 9:23 PM
Subject: PCV function
>...silly questions... MY turn! MY turn!!
> Could someone please explain to me just what the function of the
>is? Why is a 'valve' needed?
> I understand that the purpose is to pull crankcase vapors back thru the
>intake to be burned with the fuel charge; but, why do we need this valve?
>Why not just an open hose from the crankcase vent to the air cleaner?
> Ed in NC :-)
You need the valve to restrict PCV during periods of high manifold vacuum,
to increase PCV during high rev (low manifold vacuum) and to cut off PCV