RE: IML: PCV systems and other California smog trivia; Was: correct carb for '67?

["Dick Benjamin" <dickb@xxxxxxxxx>]

Yes, that is right, the PCV valve outlet is plumbed right into the
carburetor base - that is the source of the suction that keeps air moving
through the crankcase.  The tube from the air cleaner to the valve cover
provides the air intake for the PCV system.  I confess I don't see the logic
in that, as the air tap precedes the filter element in the air stream - but
that exact setup is what is in all the PCV cars that I am aware of.

Dick Benjamin (who is older than any of these cars, by far, and in need of a
little PCV myself from time to time).

-----Original Message-----
From: mailing-list-owner@xxxxxxxxxxxxxxxx
[mailto:mailing-list-owner@xxxxxxxxxxxxxxxx] On Behalf Of Mike Pittinaro
Sent: Monday, April 24, 2006 11:21 AM
To: mailing-list@xxxxxxxxxxxxxxxx
Subject: Re: IML: PCV systems and other California smog trivia; Was: correct
carb for '67?

Heh...despite my being younger than any of these cars,
I have heard of a road draft tube.  However, I believe
on the 67 Imperial the PVC tube leads directly into
the carburetor.  On the 68 air filter cover, the tube
goes into it.  

> The PCV valve was mandatory for CA cars starting in
> 61 (as I recall), but it
> became a federal requirement a year later.  The
> purpose of that system is to
> prevent crankcase fumes from escaping into the
> atmosphere via the "road
> draft tube" that was on all cars until the PCV
> system.



--Mike Pittinaro

"Forsake Inhibitions.
Pursue thy Dreams."

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