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Re: PCV Circuit Cleaning

To: Tom Hall <modtiger@engravers.com>
Subject: Re: PCV Circuit Cleaning
From: Rick Hoefle <NamasteRH@worldnet.att.net>
Date: Sat, 01 Mar 1997 10:31:34 -0500
Tom Hall wrote:
> 
> At 10:37 PM 2/28/97 -0500, you wrote:
> >Roland Dudley wrote:
> >>
> >> > Anyone remember what they have been using to clean their PCV valve and
> >> > oil filler cap?  I believe that I should use carb cleaner for the PCV
> >> > parts, but the shop manual suggests a less volatile cleaner for the cap.
> >> >  Suggestions?
> >> >
> >> >
> >> > Rick Hoefle 1964 Tiger B9470508 - HIS
> >>
> >> Rick,
> >>
> >> PCV valves are pretty cheap.  Just buy a new one.
> >>
> >> Roland
> >
> >I don't think you quite understand, Roland.  This is an original Tiger
> >PCV, the kind that disassembles for cleaning.  Same goes for the oil
> >filler cap, which has no connection with the air cleaner (as on modern
> >cars).  I see no reason to change these when they were intended by
> >design to be cleaned, at least not until I find that I cannot solve the
> >problems I am having.
> >--
> >
> >
> >Rick Hoefle 1964 Tiger B9470508 - HIS
> >            1969 MGC            - HERS
> 
> The original Tiger design called for the oil cap breather to be connected to
> the interior of the air cleaner with a short rubber hose.  This was actually
> a Ford design, the first step in reducing crankcase emmisions.  The PCV was
> the suction end of the design, and went together with the "connected" oil
> filler cap.


I beg to differ...look at your workshop manual illustrations (pp. B9 and 
B25) and you will be looking at the setup I have.  Rootes (or Ford) may 
have changed this somewhere along the way, but not before they made my 
car.

That said, I agree that such a tube (cap to air cleaner) would be a 
great improvement.  However, in my case, it would just mask the problem. 
 I believe that a clean PCV valve is my true solution.
-- 


Rick Hoefle 1964 Tiger B9470508 - HIS
            1969 MGC            - HERS



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