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Since it will run, and occasionally close[ fire] let it
run a while and it may free it self up. The clearance on the stem may just be a
little tight from rust or ? and a good warm running will loosen it up.
I was raised around a junk yard and a father that favored 6 cylinder
Chryslers and Desotos above all. I have seen him do this. No Guarantee but it is
worth trying. It won't hurt it.
----- Original Message -----
Sent: Saturday, February 10, 2007 3:54
PM
Subject: Re: IML: 1947 straight six one
valve stuck open.
Thanks Paul yes the car does run and you can view the valves
with it running. I guess Ill have to take the top of the moter off again . I
was hoping there was another reason why the valve is open it does drop
down every so often i guess there must be something in the way that is
blocking it. I guess thats what i will do
randalpark@xxxxxxx wrote:
Back
in the days when cars made that way were still popular, there were
mechanics who would come to your house to work on the valves. I don't
know enough about flat head engines to say what with conviction what I
think the problem is, but a stuck valve is a stuck valve.
When
the engine was shut off some of the valves are open, some are
closed. If
the car was parked for a long time, the valve stem could be
rusted due
to a water leak. There could be a bad valve spring, or
possibly a valve
seat has broken or come loose and part of it wedged
into the valve stem.
Something may have fallen down the carburetor when
the engine was
running and wedged itself between the valve and valve
seat, down by the
stem. The engine has most of the same parts, except
that there's no
rocker shafts & arms, valve keepers, or push rods (at
least not in
the way that we think of them). I have heard of lifters
referred to as
push rods in flat head engines.
The "viewing windows" (also commonly
called valve covers) are mainly
for in car servicing and adjustments. If
I am not mistaken, the engine
can be run when the covers are off to make
valve adjustments. If the
engine runs, viewing things that way should
make something apparent to
you. If it doesn't run, I would say that you
need to fix this before
you make it run. I am not a scientist,
physicist, or a trained
mechanic. I don't think you are seeing
everything that is going on,
other than that the engine needs
work.
Do you have a Factory Shop Manual? Even a general repair manual
would
help you in this case. There is obviously a mechanical failure.
Those
are not hard to spot if you know what to look for. I am sure
others
will chime in on this. Chrysler used essentially that engine
design for
the six cylinder cars until around 1959.
Paul
W.
-----Original Message-----
From: a1web@xxxxxxxxxxxxx
To:
mailing-list@xxxxxxxxxxxxxxxx
Sent: Sat, 10 Feb 2007 2:49 AM
Subject:
IML: 1947 straight six one valve stuck open.
On these type of motors
they have viewing windows so you can see the
valve as they work. I
recently had the top of the engine off. At that
time I clean all of the
lifters and any corrosion. I don't understand
what is keeping one valve
compressed . What could be keeping it open. I
don't see the purpose of
pulling the head again I know there is nothing
on that side that would
restrict the valve from opening or what i
really need is for the valve
to uncompressed. I cant even force it open
is there some kind of trick .
With these windows I can see and access
the valve is there a easy way to
get this valve working
again
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