Date: Mon, 17 Feb 2003 17:50:52 -0600
Reply-To: Stan Wilder <wilden1@JUNO.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Stan Wilder <wilden1@JUNO.COM>
Subject: Re: Question about barrel spacers
Content-Type: text/plain; charset=us-ascii
If you bought your AMC heads new there is a YELLOW paper in the box that
says .......... DO NOT USE HEADGASKETS with these heads.
I hope you understand this this is a serious reply and AMCs do not use
head gaskets.
I use .010 aluminum base shims to get .028 deck height and 7.4
compression.
Stan Wilder
On Mon, 17 Feb 2003 14:56:47 -0800 Tom Young <tomyoung1@ATTBI.COM>
writes:
> I've seen this tech bulletin, but I'm not sure what you mean when you
> say
> "blow off the barrel spacers." The heads on this engine are AMC
> heads so I
> can't eliminate the "aluminum seal 021 101 341A between cylinder
> and
> cylinder head" and the bulletin specified substituting 1.6mm (.063")
> barrel
> spacers ("aluminum shim 071 101 341") in place of the paper.
>
> I'm going to install .020" barrel spacers in place of the .030" ones
> that
> are there. Since I cc'd the heads and measured the deck height
> prior to
> putting the engine together I know what the CR is and what it will
> be.
> ---------------------------------------------------------------
> Tom Young '81 Vanagon
> Lafayette, CA 94549 '82 Westfalia
> ---------------------------------------------------------------
> ----- Original Message -----
> From: "Stan Wilder" <wilden1@JUNO.COM>
> To: <vanagon@GERRY.VANAGON.COM>
> Sent: Monday, February 17, 2003 12:20 PM
> Subject: Re: Question about barrel spacers
>
>
> > http://www.dolphinsci.com/techbull.html
> > Read this .............. blow off the barrel spacers unless you
> can get
> > the .010 aluninum shims or paper from VW dealer.
> >
> > Stan Wilder.
> >
> > On Mon, 17 Feb 2003 10:58:08 -0800 Tom Young
> <tomyoung1@ATTBI.COM>
> > writes:
> > > Hi all:
> > >
> > > When I rebuilt a couple of Vanagon air-cooled engines a few
> years
> > > ago I
> > > noticed the barrel shims (the ones that go between the foot of
> the
> > > cylinder
> > > and the crankcase) had "ridges" or raised metal around the
> inside
> > > and
> > > outside circumferences caused, I guess, by the process of
> stamping
> > > them out
> > > of sheet metal. I spent some time lightly sanding down the
> ridges
> > > to a
> > > certain extent before installing them.
> > >
> > > I just ordered some new shims from the Bus Depot - I'm going to
> > > increase
> > > the compression ratio of one of the engines slightly - and these
> too
> > > have
> > > ridges. So, the question:
> > >
> > > Is it really necessary to try and eliminate these ridges left
> over
> > > from the
> > > production process, or is it OK to install them "as is?"
> > >
> > > I can't imagine VW doing anything about these ridges back when
> they
> > > were
> > > manufacturing these engines and, for all I know, the ridges get
> > > folded back
> > > out as a result of the pressure created when the heads are
> bolted
> > > into
> > > place.
> > >
> > > Anybody have any thoughts?
> > >
> > > TIA.
> > > ---------------------------------------------------------------
> > > Tom Young '81 Vanagon
> > > Lafayette, CA 94549 '82 Westfalia
> > > ---------------------------------------------------------------
> > >
> > >
> >
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