I have the same weber set up that you have. I also wondered about a vacuum
source for the hose from the valve cover. My stromberg had a T connection
that went from the valve cover to the T, from the Charcoal canister to the
T, from the T to the Carb. The connection to the carb had a restrictor
orifice in it.
The weber installation only connects from the valve cover to the bottom of
the webers filter plate. The draw of air through the filter, over the hose
connection is supposed to create enough vacuum for ventilation of the valve
cover. I don't have a ventilation problem on my 76. Works fine.
Was the hose connected to your carb when you went for your run? You said
you stuck your finger over the tube and it increased alot.... On my 76, that
valve cover hose is the only ventilation on the engine, if you plug that up,
any cylinder blowby has to go somewhere, the only other where is out the
dipstick. That is another question, how much blowby do you have?
Brent
76 Midget
----- Original Message -----
From <willy at thompsoncarpentry.com>
To: "Spridgets" <spridgets@autox.team.net>
Sent: Sunday, November 30, 2003 5:05 PM
Subject: oil leak pt2
> So I messed around all after noon with the car, I power washed the
underside
> so I could get an idea what's up, I could find no pcv valve anywhere, just
a
> rubber tube going to the air cleaner with a pcv valve ELBOW on it, no
actual
> restricker/valve. I took the car out and wound it up pretty good, and
when
> I got back there still was oil coming out of that dipstick tube, I revved
it
> up a little, and could see it increase. Then for what ever reason I held
my
> thumb over that tube, and it increased ALOT, so I am in the camp with all
> that suggested that I need more ventilation, or that something is plugged,
> again the tube is free of obstruction, My car has been modified before I
got
> it to a weber. Is there some where else to be looking for this
"ventilation"
> that may be plugged?
>
> Willy
> willy@thompsoncarpentry.com
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