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If the head gasket has a round bore it will leak on a heavily machined
cylinder head because the combustion chamber around the intake valve will
increase in radius and create the ""Mickey Mouse ear" that eliminates the
contact area with the sealing ring on a round head gasket opening. Mordy
makes my solid .030" copper annealed head gaskets for a .125" milled steel
head and use copper wire fire rings above and below the gasket for added
sealing. Coppercoat sprayed on several coats and 2 to 3 thousands liner
protrusion. ARP hardware.
On Fri, Jul 31, 2020 at 6:59 PM Mordy Dunst via Fot <fot@autox.team.net>
wrote:
> Copper hg=E2=80=99s not for everyone. Deck, head have to be flat, true. =
Anything
> more than .004=E2=80=9D off front to rear and you will have fitment issu=
es.
> Knowing how to use dressing us key. Can take two identical engines one
> built by a periodic builder and one pro. Same parts . One will be bui=
lt
> better and likely have a durable engine.
>
> MDunst Headgasket.com 626.358.1616
> Fax 626.628.3777
> Triple R Munitions, Inc 626.201.9471
> T FFL 6,7 SOT 2
>
> On Friday, July 31, 2020, Jack Wheeler via Fot <fot@autox.team.net> wrote=
:
>
>
> I've read all of the comments, but haven't heard anything about Cometic.
> I had rebuilt my TR-3 engine a number of years ago, using the stock head
> gasket. I built the engine as I would have built one of my race engines =
in
> the day, except with a milder cam and less compression (10.5:1). From da=
y
> 1 it never really ran right. I began to suspect coolant was getting into
> the combustion chamber, so I bought one of those test kits where you pull
> some coolant out while the engine is running and add a chemical which tes=
ts
> for hydrocarbons. Sure enough, hydrocarbons were getting into my coolant
> system. That says bad head gasket or crack in the head. Since I'd had t=
he
> head magnafluxed during the rebuild, I assumed it was the head gasket.
>
> I began asking around about where I could get a good gasket. A guy at a
> local engine shop (primarily Ford engines) recommended Cometic. I had
> never heard of them, and told him the engine was over 50 years old, so
> surely they would not make a gasket for it. He encouraged me to check th=
e
> internet, and sure enough, they make a whole bunch of them for the TR
> engine. It's been a few years ago, but as I recall, they had gaskets for
> different bores (i.e. 83MM, 86MM, 87MM, etc.) and you could order differe=
nt
> thicknesses. They stacked steel gaskets on top of each other to get to t=
he
> thickness desired. I think I ordered a 3 layer gasket. It all sounded a
> little fishy, but based on the strong recommendation I had received, I
> ordered one.
>
> I removed the bad head gasket and replaced it with the Cometic gasket, an=
d
> suddenly the engine ran great. I have put almost 7.000 miles on the car
> since then and haven't had a problem. It runs cool (even on 95 degree
> days, as tested recently), pulls strong, and no sign of any coolant leaks=
.
> By the way, I noticed someone else recommended Hylomar gasket cement. I
> also used that. A light coat on all sealing surfaces does the trick. Do
> not spray a thick coat. Below is the link to the Cometic web site. Chec=
k
> it out.
>
> Cometic Gasket - Sealed Under Extreme Pressure <https://www.cometic.com/>
>
> Cometic Gasket - Sealed Under Extreme Pressure
>
> Cometic Gasket supplies hi-performance gaskets for a variety of
> motorsports markets: ATV, Drag Race, Domestic Au...
> <https://www.cometic.com/>
> Jack
>
>
>
>
>
> On Friday, July 31, 2020, 5:27:49 PM EDT, mleccese1--- via Fot <
> fot@autox.team.net> wrote:
>
>
> Phil, Dave,
>
> I may have compromised my head gasket last weekend at Lime Rock (Green TR=
4
> #802), can you or someone recommend one that is robust.
>
> Thank you
> Michael L
> _______________________________________________
> fot@autox.team.net
>
> http://www.fot-racing.com
>
> Donate: http://www.team.net/donate.html
> Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
> Unsubscribe/Manage:
> http://autox.team.net/mailman/options/fot/jwheeler1947@yahoo.com
>
>
> _______________________________________________
> fot@autox.team.net
>
> http://www.fot-racing.com
>
> Donate: http://www.team.net/donate.html
> Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
> Unsubscribe/Manage:
> http://autox.team.net/mailman/options/fot/gasket.works@gte.net
>
>
> _______________________________________________
> fot@autox.team.net
>
> http://www.fot-racing.com
>
> Donate: http://www.team.net/donate.html
> Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
> Unsubscribe/Manage <http://www.team.net/pipermail/fotUnsubscribe/Manage>:
> http://autox.team.net/mailman/options/fot/johnstydo@gmail.com
>
>
>
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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-size:small">If =
the head gasket has a round bore it will leak on a heavily machined cylinde=
r head because the combustion chamber around the intake valve will increase=
in radius and create the ""Mickey Mouse ear" that eliminate=
s the contact area with the sealing ring on a round head gasket opening.=C2=
=A0 Mordy makes my solid .030" copper annealed head gaskets for a .125=
" milled steel head and use copper wire fire rings above and below the=
gasket for added sealing. Coppercoat sprayed on several coats and 2 to 3 t=
housands liner protrusion.=C2=A0 =C2=A0ARP hardware.=C2=A0 =C2=A0</div><div=
class=3D"gmail_default" style=3D"font-size:small"><br></div></div><br><div=
class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Fri, Jul 31=
, 2020 at 6:59 PM Mordy Dunst via Fot <<a href=3D"mailto:fot@autox.team.=
net">fot@autox.team.net</a>> wrote:<br></div><blockquote class=3D"gmail_=
quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,=
204);padding-left:1ex">Copper hg=E2=80=99s not for everyone.=C2=A0 Deck, he=
ad have to be flat, true.=C2=A0 Anything more than .004=E2=80=9D off=C2=A0=
=C2=A0front to rear and you will have fitment issues.=C2=A0 Knowing how=C2=
=A0to use dressing us key. =C2=A0 Can take two identical engines one built =
by a=C2=A0periodic builder =C2=A0and one pro. =C2=A0 Same parts .=C2=A0 One=
will be built better and likely have a durable engine.=C2=A0<br><br><div i=
d=3D"gmail-m_-8904865961439914941__aol_mail_signature__">MDunst
<a dir=3D"ltr" href=3D"http://Headgasket.com"; target=3D"_blank">Headgasket.=
com</a>
<a dir=3D"ltr" href=3D"tel:626.358.1616" target=3D"_blank">626.358.1616</a>=
=C2=A0<div>Fax=C2=A0<a dir=3D"ltr" href=3D"tel:626.628.3777" target=3D"_bla=
nk">626.628.3777</a>=C2=A0</div><div>Triple R Munitions, Inc
<a dir=3D"ltr" href=3D"tel:626.201.9471" target=3D"_blank">626.201.9471</a>=
=C2=A0</div><div>T
FFL 6,7 SOT 2</div></div>
<br><div>
On=C2=A0Friday, July 31, 2020,=C2=A0Jack Wheeler via Fot=C2=A0<<a di=
r=3D"ltr" href=3D"mailto:fot@autox.team.net"; target=3D"_blank">fot@autox.te=
am.net</a>>=C2=A0wrote:
</div><br>
<blockquote style=3D"margin:0px 0px 0px 9px;padding:0px 0px 0px 9px"><div i=
d=3D"gmail-m_-8904865961439914941yiv0492506792"><div><div style=3D"font-fam=
ily:"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:13px"><=
div></div>
<div dir=3D"ltr"><span><cite>I've read all of the comments, but=
haven't heard anything about Cometic.=C2=A0 I had rebuilt my TR-3 engi=
ne a number of years ago, using the stock head gasket.=C2=A0 I built the en=
gine as I would have built one of my race engines in the day, except with a=
milder cam and less compression (10.5:1).=C2=A0 From day 1 it never really=
ran right.=C2=A0 I began to suspect coolant was getting into the combustio=
n chamber, so I bought one of those test kits where you pull some coolant o=
ut while the engine is running and add a chemical which tests for hydrocarb=
ons.=C2=A0 Sure enough, hydrocarbons were getting into my coolant system.=
=C2=A0 That says bad head gasket or crack in the head.=C2=A0 Since I'd =
had the head magnafluxed during the rebuild, I assumed it was the head gask=
et.</cite></span></div><div dir=3D"ltr"><span><cite><br clear=3D"none"></ci=
te></span></div><div dir=3D"ltr"><span><cite>I began asking around about wh=
ere I could get a good gasket.=C2=A0 A guy at a local engine shop (primaril=
y Ford engines) recommended Cometic.=C2=A0 I had never heard of them, and t=
old him the engine was over 50 years old, so surely they would not make a g=
asket for it.=C2=A0 He encouraged me to check the internet, and sure enough=
, they make a whole bunch of them for the TR engine.=C2=A0 It's been a =
few years ago, but as I recall, they had gaskets for different bores (i.e. =
83MM, 86MM, 87MM, etc.) and you could order different thicknesses.=C2=A0 Th=
ey stacked steel gaskets on top of each other to get to the thickness desir=
ed.=C2=A0 I think I ordered a 3 layer gasket.=C2=A0 It all sounded a little=
fishy, but based on the strong recommendation I had received, I ordered on=
e.</cite></span></div><div dir=3D"ltr"><span><cite><br clear=3D"none"></cit=
e></span></div><div dir=3D"ltr"><span><cite>I removed the bad head gasket a=
nd replaced it with the Cometic gasket, and suddenly the engine ran great.=
=C2=A0 I have put almost 7.000 miles on the car since then and haven't =
had a problem.=C2=A0 It runs cool (even on 95 degree days, as tested recent=
ly), pulls strong, and no sign of any coolant leaks.=C2=A0 By the way, I no=
ticed someone else recommended Hylomar gasket cement.=C2=A0 I also used tha=
t.=C2=A0 A light coat on all sealing surfaces does the trick.=C2=A0 Do not =
spray a thick coat.=C2=A0 Below is the link to the Cometic web site.=C2=A0 =
Check it out.<br clear=3D"none"></cite></span></div><div dir=3D"ltr"><span>=
<cite><br clear=3D"none"></cite></span></div><div dir=3D"ltr"><a rel=3D"nof=
ollow" shape=3D"rect" href=3D"https://www.cometic.com/"; target=3D"_blank">C=
ometic Gasket - Sealed Under Extreme Pressure</a></div><div><br clear=3D"no=
ne"></div><div id=3D"gmail-m_-8904865961439914941yiv0492506792ydp48b58523en=
hancr_card_6247372032" style=3D"max-width:400px;font-family:YahooSans,"=
;Helvetica Neue","Segoe UI",Helvetica,Arial,sans-serif"><a r=
el=3D"nofollow" shape=3D"rect" href=3D"https://www.cometic.com/"; style=3D"t=
ext-decoration:none solid currentcolor;color:rgb(0,0,0)" target=3D"_blank">=
<table style=3D"max-width:400px" cellspacing=3D"0" cellpadding=3D"0" border=
=3D"0"><tbody><tr><td colspan=3D"1" rowspan=3D"1" width=3D"400"><table styl=
e=3D"max-width:400px;border-width:1px;border-style:solid;border-color:rgb(2=
24,228,233);border-radius:2px" width=3D"100%" cellspacing=3D"0" cellpadding=
=3D"0" border=3D"0"><tbody><tr><td colspan=3D"1" rowspan=3D"1"><table style=
=3D"background-color:rgb(255,255,255);background-repeat:repeat;background-i=
mage:none;background-size:auto;width:100%;max-width:400px;border-radius:0px=
0px 2px 2px;border-top:1px solid rgb(224,228,233)" cellspacing=3D"0" cellp=
adding=3D"0" border=3D"0"><tbody><tr><td colspan=3D"1" rowspan=3D"1" style=
=3D"background-color:rgb(255,255,255);padding:16px 0px 16px 12px;vertical-a=
lign:top;border-radius:0px 0px 0px 2px"></td><td colspan=3D"1" rowspan=3D"1=
" style=3D"vertical-align:middle;padding:12px 24px 16px 12px;width:99%;font=
-family:YahooSans,"Helvetica Neue","Segoe UI",Helvetica=
,Arial,sans-serif;border-radius:0px 0px 2px"><h2 style=3D"font-size:14px;li=
ne-height:19px;margin:0px 0px 6px;font-family:YahooSans,"Helvetica Neu=
e","Segoe UI",Helvetica,Arial,sans-serif;color:rgb(38,40,42)=
;max-width:314px">Cometic Gasket - Sealed Under Extreme Pressure</h2><p sty=
le=3D"font-size:12px;line-height:16px;margin:0px;color:rgb(151,155,167)">Co=
metic Gasket supplies hi-performance gaskets for a variety of motorsports m=
arkets: ATV, Drag Race, Domestic Au...</p></td></tr></tbody></table></td></=
tr></tbody></table></td></tr></tbody></table></a></div>Jack<div><br clear=
=3D"none"></div><div><br clear=3D"none"></div><div dir=3D"ltr"><br clear=3D=
"none"></div><div dir=3D"ltr"><br clear=3D"none"></div><div><br clear=3D"no=
ne"></div>
=20
</div><div id=3D"gmail-m_-8904865961439914941yiv0492506792ydp82cd51=
b4yahoo_quoted_6952941027">
<div style=3D"font-family:"Helvetica Neue",Helvetica,=
Arial,sans-serif;font-size:13px;color:rgb(38,40,42)">
=20
<div id=3D"gmail-m_-8904865961439914941yiv0492506792yqt0154=
7"><div>
On Friday, July 31, 2020, 5:27:49 PM EDT, mleccese1--- =
via Fot <<a dir=3D"ltr" href=3D"mailto:fot@autox.team.net"; target=3D"_bl=
ank">fot@autox.team.net</a>> wrote:
</div>
<div><br clear=3D"none"></div>
<div><br clear=3D"none"></div>
<div><div id=3D"gmail-m_-8904865961439914941yiv0492506792yd=
p82cd51b4yiv9885013498">
<div style=3D"color:black;font-style:normal;font-weight:normal;font-stretch=
:normal;font-size:10pt;line-height:normal;font-family:arial">
<div><font size=3D"2">Phil, Dave,</font></div>
<div><font size=3D"2"><br clear=3D"none">
</font></div>
<div><font size=3D"2">I may have compromised my head gasket last weekend at=
Lime Rock (Green TR4 #802), can you or someone recommend one that is robus=
t.</font></div>
<div><font size=3D"2"><br clear=3D"none">
</font></div>
<div><font size=3D"2">Thank you</font></div>
<div><font size=3D"2">Michael L<br clear=3D"none">
</font></div>
</div>
</div>_______________________________________________<br clear=3D"none"><a =
rel=3D"nofollow" shape=3D"rect" href=3D"mailto:fot@autox.team.net"; target=
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</blockquote></div>
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