Date: Thu, 13 Dec 2007 15:58:42 -0800
Reply-To: David Kao <dtkao0205@YAHOO.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: David Kao <dtkao0205@YAHOO.COM>
Subject: Re: AMC Cylinder Head Question
In-Reply-To: <4761BCA3.7030103@verizon.net>
Content-Type: text/plain; charset=iso-8859-1
Mike, you are probably right. The problem is the other one that has
no screw on it. I think it is still in there. But it is covered by
the metalic look epoxy (or something else I do not know). It has an
aluminum look. But it is plastic. If it does not leak maybe I should
not try to fix it.
David
--- Mike Collum <collum@verizon.net> wrote:
> I believe what you're seeing are the freeze plugs. One isn't actually
> held by a screw ... those screws are there to allow draining the heads
> of coolant.
>
> Mike
>
>
>
> David Kao wrote:
> > I have a pair of used AMC heads pulled from a parts vanagon.
> > I am about to begin to rebuild my 84's 1.9 WBXer with these two
> > heads. I have a few questions about these heads before I put
> > them on.
> >
> > The heads have two metal caps at the bottom side of them. If you
> > look at the heads at their installed position the upper side has
> > the intake and spark plug holes. The bottom side has the two metal
> > caps, one is held in position by a screw and the other is in there
> > by itself.
> >
> > Well, one the two AMC heads has one cap that is plugged up by
> > some kind of epoxy that looked like aluminum. My guess is that the
> > original cap leaked and it was repaired. Whoever did the repair
> > used the epoxy to plug it up. I can not see if the original cap
> > is still in there or not. It seems that it did the job before I
> > pulled them off from the parts van. But I am really concerned if
> > it will eventually develop a coolant leak that will require
> > a tear down of the engine again.
> >
> > Any suggestions as to how to fix it correctly once for all? Is
> > there such metal caps available from anywhere? How is it installed?
> > This is the cap that is not held in position by a screw. Should
> > I send it to a machine shop to get it re-capped?
> >
> > BTW, the pair of AMC heads look in very good shape. There is no
> > crack, warpage or any visible sign of problems (except the cap).
> > I have lapped all the valves and they seem all seal pretty well.
> >
> > Any help is appreciated.
> >
> > David
> >
> >
> >
> > ____________________________________________________________________________________
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>
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