<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">Joe:<div>Looks like I am old school here. Been using the steel shim gasket or the Bastuck equivalent coated with spray on Hylomar with good results. Been trimming the gaskets to fit the chamber so there is no protrusion. I make sure the liners protrude .005 to .007. No O-rings. Use ARP head studs torqued to the factory specs then Re torqued several times and heat cycles. I don’t exceed the factory specs to avoid cracking the block around the studs at the ends of the block. We have one head that is staked per Kastner’s recommendation, and one that is not. Both equally good.</div><div>With careful cleaning I can reuse the same steel shim gasket as long as the head and block are the same as the previous installation. This reduces the pain of trimming a new gasket every time. The protruding liners do a job very similar to the copper O-rings.</div><div>Having said this, I’ll probably lose a head gasket next time out....</div><div>Phil Gott <br><br><div dir="ltr">Sent from my iPhone</div><div dir="ltr"><br><blockquote type="cite">On Oct 25, 2020, at 9:17 AM, Jerry Van Vlack via Fot <fot@autox.team.net> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr">
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<div>That’s an excellent point to be considered too.</div>
<div>JVV</div>
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<div style="font-color: black"><b>From:</b> <a title="ofracer@gmail.com">Mike
Harmuth</a> </div>
<div><b>Sent:</b> Sunday, October 25, 2020 9:00 AM</div>
<div><b>To:</b> <a title="jerryvv@roadrunner.com">Jerry Van Vlack</a> </div>
<div><b>Cc:</b> <a title="jaboruch@yahoo.com">Joe Boruch</a> ; <a title="fot@autox.team.net">FOT List</a> </div>
<div><b>Subject:</b> Re: [Fot] Best head gasket revisited</div></div></div>
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<div dir="ltr">Cometic will do a custom gasket for a minimal one time charge. I've
had a Spitfire gasket made thick to make up for an over zealous block milling
and another one with a wider piston opening. Once they make the design changes,
they send you a PDF with the dimensions listed for your approval. When it's OK,
they assign a part number and CNC it out. Design turn around is about a week and
another week to make it. After the first one is made, just call up and order
replacements with your customer number, no extra charges.
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<div>mike h</div></div>
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<div class="gmail_attr" dir="ltr">On Sun, Oct 25, 2020 at 8:41 AM Jerry Van Vlack
via Fot <<a>fot@autox.team.net</a>> wrote:<br></div>
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<div>Joe, my experience is only with a hot street engine but worth expressing.
87mm pistons and liners, .090 milled from head and Kastner D cam.</div>
<div>I ran a stock AE330 for almost 40 years with no issues then I did a valve
job and hardened EX seats because of recession in #4 EX valve seat. The shop
took another approx. .010 off the head (so now approx. .100 off the head) . I
used the Cometic 91mm gasket and it burned through at #4 in 2 years of street
driving. Maybe 15,000 miles.</div>
<div>The engine was tired by this time having been rebuilt in the 80’s. I
rebuilt the engine and decided to use another AE330 with a new head at .070
milled. That gasket leaked because of my dumb mistake not re-torqueing after a
few heat cycles. Replaced with another AE330 and now have approx. 10,000 miles
with no issues. I did re-torque a couple of times.</div>
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<div>Original AE330 copper gaskets are getting hard to find but occasionally
show up on EBay, I just bought one. The “new” repro AE 330 copper gaskets are
not the same especially in the valve pocket area, I’ve compared them.</div>
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<div>My point in al of this is take a look at how an original AE330 fits to
your head and block and give it consideration, you might find it acceptable.
Or continue to use the steel with thin copper wire that you’ve used. I am not
a fan of the Cometic but admittedly mine was used on a street engine with no
plans to change it every year. Tony’s experience is worthy of attention, he
hammers that engine pretty hard.</div>
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<div>JVV</div>
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<div><b>From:</b> <a title="fot@autox.team.net">Joe Boruch via Fot</a> </div>
<div><b>Sent:</b> Saturday, October 24, 2020 9:25 PM</div>
<div><b>To:</b> <a title="fot@autox.team.net">FOT List</a> </div>
<div><b>Subject:</b> [Fot] Best head gasket revisited</div></div></div>
<div> </div></div>
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<div dir="ltr">I was not receiving list emails for a while, so I missed the
conversation a few months ago. </div>
<div dir="ltr"> </div>
<div dir="ltr">For those of you using the composite or even Cometic gaskets,
have you done much relieving around the intake valves? I have not found
any such gasket that would not protrude out into the combustion chamber.
I even bought one from BPNW that was good for up to 92mm bore, but it still
protruded. I have been using steel shim head gaskets with copper wire
o-rings in the fire rings, but would like a simpler set up. I have held
off on putting my TR3 engine back together for years (while playing with
S2000s and Miatas) waiting for a better head gasket. Joe B</div></div>
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