Thanks Kas! I need all the advice I can get.
Happy Holidays
Ty
Sent from my iPhone
'63 Triumph TR4 DP Racecar
'62 Triumph TR4 RestoMod (Project)
++++
On Nov 24, 2012, at 12:58 PM, Kas Kastner <kaskas@cox.net> wrote:
> If you try to cut back a composite gasket you have a good chance of having
the thin copper face parts facing into the flame of combustion which is going
heat the copper red hot quickly, this will start pre-ignition and then
detonation. Result, dead engine. In a few words. DON'T DO IT.
>
> Never be beaten by equipment
>
> > From: Tylerpthompson@yahoo.com
> > Date: Sat, 24 Nov 2012 08:59:06 -0700
> > To: n197tr4@cs.com
> > CC: fot@autox.team.net
> > Subject: Re: [Fot] trt 3/4 head gasket
> >
> > I pulled the head off of mine a few mons back. If folks recall, I broke 7
of 8
> > tops of the outer valve springs and one inner. I am fixing that and
checking
> > geometry.
> >
> > I do have oversized valves and 89 bore, and I found my Payen A330 gasket
was
> > burnt where the gasket was not ground back. My sleeves are not ground back
as
> > well.
> >
> > Can you grind back the copper Payen gasket with no issues? I will be
> > feathering back the sleeves as well.
> >
> > Also, does anyone know the correct valve spring height?
> >
> > Thx
> >
> > Ty
> >
> >
> > Sent from my iPad
> > (Please excuse any errors or typos)
> >
> > On Nov 15, 2012, at 7:41 PM, Joe Alexander <n197tr4@cs.com> wrote:
> >
> > > Ditto...Using Payen for several years now and has been one less thing
to
> > worry
> > > about.
> > >
> > >
> > >
> > >
> > > Joe Alexander
> > >
> > > Subject: Re: [Fot] trt 3/4 head gasket
> > >
> > >
> > > Like Tony we use a stock Payen gasket notched to fit the larger valve
with
> > no
> > > problem. My take is that one must make sure the head & block are flat &
> > true
> > > &
> > > properly installed.
> > >
> > > Sent from my iPhone
> > >
> > > On Nov 15, 2012, at 12:36 AM, Tony Drews <tony@tonydrews.com> wrote:
> > >
> > >> I use a stock composite gasket and will get a season out of it. I was
at
> > > about 0.175 milled, am now at 0.130 after my last head gasket problem
> > turned
> > > out to be a collapsing combustion chamber in the head problem. I don't
> > have
> > > giant valves (they clear the 87 mm liners), so I notched the liner to
match
> > > the "mickey ear" of the stock gasket so there was something supporting
it
> > on
> > > one side in the pocket that disappeared. I put the seam side against
the
> > > liner then.
> > >>
> > >> Tony Drews
> > >>
> > >> At 12:18 PM 11/10/2012, KENMUN@aol.com wrote:
> > >>> anyone having success with the stock composite head gasket on a
milled
> > >>> head. my head has been milled .150" and the intake valve pockets are
> > gone.
> > > i'm
> > >>> not having much luck with the steel gasket.
> > >>> thanks, ken m. tr 3 vintage racer.
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