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Re: [Fot] Sealants used on Fo8 gaskets

To: "fot@autox. team. net" <fot@autox.team.net>
Subject: Re: [Fot] Sealants used on Fo8 gaskets
From: Chris Marx via Fot <fot@autox.team.net>
Date: Sat, 6 Feb 2021 21:46:23 +0100
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When using the thick silicone layer=E2=80=A6.I put the head on and give =
moderate torque on to force the liners down and let it sit for an hour =
or so before I continue.

I don=E2=80=99t trust Hylomar at this place.

=20

Cheers

Chris

=20

=20

Von: Fot <fot-bounces@autox.team.net> Im Auftrag von Larry Young via Fot
Gesendet: Samstag, 6. Februar 2021 21:41
An: fot@autox.team.net
Betreff: Re: [Fot] Sealants used on Fo8 gaskets

=20

I like hylomar too. It needs to be thin so it will easily squish out. =
Something like the old Permatex will screw up all your efforts to get =
the correct liner height.
 - Larry

On 2/6/2021 8:00 AM, Greg Blake via Fot wrote:

For the Fo8, I=E2=80=99ve always used Hylomar blue. Great stuff. =
I=E2=80=99m sure other non setting materials might work just as well but =
this has always worked for me so I have not tried anything else. =20

=20

Assemble the liners and Fo8 dry to measure your liner heights, adjust =
the stack of Fo8 gaskets accordingly and put a thin coating of hylomar =
on them for final assembly.=20

=20

https://hylomar.com/en/universal-blue/

=20

Greg=20

=20

Sent from my iPhone





On Feb 5, 2021, at 11:51 PM, Dan Cronin via Fot  =

=EF=BB=BF Folks=20

Looking for some background information and recommendations on the =
preferred Fo8 gasket sealing compound that seems to have worked for each =
of you in your various engine re-builds.  And  any comments / =
observations you choose to share either on or off list. The motor I am =
building has a 89 mm piston and liner kit from BFE along with Corrello =
rods / bolts and a Crower dummy main crank connected at the front with a =
ATI Super Damper and at the rear to a Fidanza Alloy Flywheel with =
diaphragm clutch, an HVDA conversion with alloy drive shaft to a Quaife =
4.11:1 diff. and alloy back cover.  Stainless Steel valves with 0.050 =
oversize intake thru Mang. Bronze guides. H/S roller rockers on alloy =
pedestals.  BPNW 270 duration cam. The TR4A head has had 0.040 removed =
mostly to true things up and remove prior imperfections.  The head =
chambers have been mildly worked to smooth any sharp edges and even =
things out with a resulting chamber volume of 60.5cc each.  I am =
planning on installing Gasket Works 0.022 copper gasket with their 0.005 =
=E2=80=9CO=E2=80=9D compression rings on the head side of the gasket =
that will be sprayed with a copper coating on each side.  Gasket Works =
sent a set of Fo8 individual gaskets that has allowed me to obtain a =
liner protrusion of 0.0025 to 0.003.  Am aiming at a compression ratio =
of around 9.75 to 1+/- . Looking forward to as many responses as =
possible to assist in trying to get this critical step as close to right =
as I can.

DC

<IMG_3668.jpeg>

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vlink=3Dpurple style=3D'word-wrap:break-word'><div =
class=3DWordSection1><p class=3DMsoNormal>When using the thick silicone =
layer=E2=80=A6.I put the head on and give moderate torque on to force =
the liners down and let it sit for an hour or so before I =
continue.<o:p></o:p></p><p class=3DMsoNormal>I don=E2=80=99t trust =
Hylomar at this place.<o:p></o:p></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p =
class=3DMsoNormal>Cheers<o:p></o:p></p><p =
class=3DMsoNormal>Chris<o:p></o:p></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><div =
style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm =
0cm 0cm'><p class=3DMsoNormal><b><span lang=3DDE>Von:</span></b><span =
lang=3DDE> Fot &lt;fot-bounces@autox.team.net&gt; <b>Im Auftrag von =
</b>Larry Young via Fot<br><b>Gesendet:</b> Samstag, 6. Februar 2021 =
21:41<br><b>An:</b> fot@autox.team.net<br><b>Betreff:</b> Re: [Fot] =
Sealants used on Fo8 gaskets<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'>I like hylomar too. It needs to be thin =
so it will easily squish out. Something like the old Permatex will screw =
up all your efforts to get the correct liner height.<br>&nbsp;- =
Larry<o:p></o:p></p><div><p class=3DMsoNormal>On 2/6/2021 8:00 AM, Greg =
Blake via Fot wrote:<o:p></o:p></p></div><blockquote =
style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><p class=3DMsoNormal>For =
the Fo8, I=E2=80=99ve always used Hylomar blue. Great stuff. I=E2=80=99m =
sure other non setting materials might work just as well but this has =
always worked for me so I have not tried anything else.&nbsp; =
<o:p></o:p></p><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>Assemble the liners and Fo8 dry to measure your liner =
heights, adjust the stack of Fo8 gaskets accordingly and put a thin =
coating of hylomar on them for final =
assembly.&nbsp;<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal><a =
href=3D"https://hylomar.com/en/universal-blue/";>https://hylomar.com/en/un=
iversal-blue/</a><o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>Greg&nbsp;<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><p class=3DMsoNormal>Sent =
from my iPhone<o:p></o:p></p></div><div><p =
class=3DMsoNormal><br><br><o:p></o:p></p><blockquote =
style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'>On Feb 5, 2021, at 11:51 PM, Dan Cronin =
via Fot <a =
href=3D"mailto:fot@autox.team.net";>&lt;fot@autox.team.net&gt;</a> =
wrote:<o:p></o:p></p></blockquote></div><blockquote =
style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><div><p =
class=3DMsoNormal>=EF=BB=BF Folks <o:p></o:p></p><div><p =
class=3DMsoNormal>Looking for some background information and =
recommendations on the preferred Fo8 gasket sealing compound that seems =
to have worked for each of you in your various engine re-builds. =
&nbsp;And &nbsp;any comments / observations you choose to share either =
on or off list. The motor I am building has a 89 mm piston and liner kit =
from BFE along with Corrello rods / bolts and a Crower dummy main crank =
connected at the front with a ATI Super Damper and at the rear to a =
Fidanza Alloy Flywheel with diaphragm clutch, an HVDA conversion with =
alloy drive shaft to a Quaife 4.11:1 diff. and alloy back cover. =
&nbsp;Stainless Steel valves with 0.050 oversize intake thru Mang. =
Bronze guides. H/S roller rockers on alloy pedestals. &nbsp;BPNW 270 =
duration cam. The TR4A head has had 0.040 removed mostly to true things =
up and remove prior imperfections. &nbsp;The head chambers have been =
mildly worked to smooth any sharp edges and even things out with a =
resulting chamber volume of 60.5cc each. &nbsp;I am planning on =
installing Gasket Works 0.022 copper gasket with their 0.005 =
=E2=80=9CO=E2=80=9D compression rings on the head side of the gasket =
that will be sprayed with a copper coating on each side. &nbsp;Gasket =
Works sent a set of Fo8 individual gaskets that has allowed me to obtain =
a liner protrusion of 0.0025 to 0.003. &nbsp;Am aiming at a compression =
ratio of around 9.75 to 1+/- . Looking forward to as many responses as =
possible to assist in trying to get this critical step as close to right =
as I can.<o:p></o:p></p></div><div><p =
class=3DMsoNormal>DC<o:p></o:p></p></div><div><div><p =
class=3DMsoNormal>&lt;IMG_3668.jpeg&gt;<o:p></o:p></p></div></div><p =
class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'>__________________________________________=
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