[Shotimes] PCV extractor and vacuum in crankcase

[Kenneth Epperly]

Too much might not be a good thing, those cars also had massive filter on 
the valve cove breathers.

        Ken
----- Original Message ----- 
From: "van Oss" <vanOss@centurytel.net>
To: "V8 SHO" <v8sho@v8sho.com>; <shotimes@autox.team.net>; "TechSHO" 
<TechSHO@topica.com>
Cc: "Paul Nimz" <pnimz@v8sho.com>
Sent: Monday, August 01, 2005 9:09 PM
Subject: [Shotimes] PCV extractor and vacuum in crankcase


>I am a faithful disciple of the apostle Paul [Nimz].  Yet verily, he hath
> struck fear into my heart.  Paul and I have been talking about installing 
> a
> PCV extractor kit on my 92.  Basically it uses a pipe welded into the
> cat-back at a 45-degree angle (venturi effect) to draw crankcase fumes 
> into
> the exhaust stream.  Crankcase vacuum makes a little HP (thank you, Smokey
> Yurick) and safeguards the intake air plumbing from automotive emphyszema.
>
> The question is whether to close off the opening in the front cam cover, 
> to
> generate max vacuum.  If so, words like "collapse some seals" test my 
> faith.
> Do I just drive around and see if my front and rear crank seals implode?
>
> Ah, once again VO gets to experience the bleeding edge of innovation.
> Smokey, where are you when I need you?  Bet he's not answering emails.
>
> VO
>
>
> ----- Original Message ----- 
> The noise is from air leaking past the seals and TB openings.  When I did 
> it
> to the V6 it developed a whistle.  It may collapse some seals but I don't
> know.  You could add some flow at the valve cover with a filter that is
> restricted if the vacuum is too much.  Otherwise the more the better.
> Paul [Nimz]
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