Oh I get it ........'tampered' ......and in tampered with ..........?
tapered, tempered, tampered. 

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
David Kao
Sent: Thursday, December 13, 2007 6:52 PM
To: vanagon@GERRY.VANAGON.COM
Subject: Re: AMC Cylinder Head Question

Sorry, if I used a wrong term. What I meant is if it was messed up by
whoever did the repair of it. I think the opening when new was carefully
machined before the plug was pressed in. If it was messed up a new plug
may not seal it any more.

David

--- Scott Daniel - Shazam  <scottdaniel@turbovans.com> wrote:

> Well, repair cylinder heads is what machine shops do.
> I still wonder why you are saying 'tempered' .  tapered ?
> Hardened metal in the area of the plugs ?
> it's an aluminum casting, there's no hardening or tempering on it anywhere
I
> don't believe.
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
> David Kao
> Sent: Thursday, December 13, 2007 6:27 PM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Re: AMC Cylinder Head Question
>
> I checked it for sign of leak very carefully. There was no leak I think.
> What I am concerned about is it may become worse once the old plug is
> removed the and hole is tempered. A machine shop should be able to take
> a good care of it I hope.
>
> David
>
> --- Bob Donalds <donalds1@VERIZON.NET> wrote:
>
> > JB weld
> > will not stick to anything but a freshly ground surface can you see it
> leak
> > ?
> > Bob
> >
> > ----- Original Message -----
> > From: "Scott Daniel - Shazam" <scottdaniel@TURBOVANS.COM>
> > To: <vanagon@GERRY.VANAGON.COM>
> > Sent: Thursday, December 13, 2007 8:42 PM
> > Subject: Re: AMC Cylinder Head Question
> >
> >
> > You could also have a machine shop pressure test the heads.
> > Or you could put more epoxy on top of what's there, like JB weld.
> > A picture would be fun to see.
> > I never remove those drain screws.
> > Scott
> >
> > -----Original Message-----
> > From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
Of
> > Mike Collum
> > Sent: Thursday, December 13, 2007 4:35 PM
> > To: vanagon@GERRY.VANAGON.COM
> > Subject: Re: AMC Cylinder Head Question
> >
> > It is said that experience is what you get when you were expecting
> > something else.  Well, in that I've never had one of these freeze plugs
> > leak, I have no experience so share with you.
> >
> > Maybe someone like Boston Bob would have replacements or know where to
> > get them.
> >
> > According to ETKA 7, the freeze plug without the drain bolt is "Called"
> > Locking Cover # N 011 914 2.
> >
> > The one with the threads for a bolt is # 025 101 583 A
> >
> > The seal for a bolt is N 013 830 2
> >
> > The Allen key head bolt (M8X12) is N 014 706 7
> >
> > Of course, these are for an OEM head ... but I'm betting they're the
> > same on AMC heads.  I found the seal and the bolt listed on BusDepot's
> > site but not the freeze plugs (locking covers) themselves.
> > >
> > > Mike
> >
> >
> > David Kao wrote:
> > > 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
> > >>>
> > >>>
> > >>>
> > >>>
> >
>
____________________________________________________________________________
> > ________
> > >>> Looking for last minute shopping deals?
> > >>> Find them fast with Yahoo! Search.
> > >>
http://tools.search.yahoo.com/newsearch/category.php?category=shopping
> > >
> > >
> > >
> > >
> >
>
____________________________________________________________________________
> > ________
> > > Be a better friend, newshound, and
> > > know-it-all with Yahoo! Mobile.  Try it now.
> > http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ
> > >
> >
>
>
>
>
>
____________________________________________________________________________
> ________
> Never miss a thing.  Make Yahoo your home page.
> http://www.yahoo.com/r/hs
>
>

 
____________________________________________________________________________
________
Be a better friend, newshound, and
know-it-all with Yahoo! Mobile.  Try it now.
http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ