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I suspect the reason so many sealants are successful is that it's not
really required. I personally use Gaskacinch on that surface, used to
use it on head gaskets too before I switched to Cometic head gaskets.
Regards, Tony Drews
On 2/7/2021 11:06 AM, DAVE HOGYE via Fot wrote:
> I like the method of using an old liner to polish the gasket surface.
> Although a light amount would be nice just to get a good clear image
> of the surface condition.
> I used the red, High-Tack spray-on sealant with a copper gasket when I
> put together my first and last and only TR engine build, which is now
> apart for a refresh after 19 race weekends and a total of 5,500
> miles. I sprayed both sides of the gasket, let it tack up and set
> them in place. I haven't pulled the liners. I thought I'd just
> replace the rings and bearings, check and polish the crank and refresh
> the valves and seats and put it back together.
> I think Marcel has made a good point that it's possible no sealant is
> necessary if all conditions are otherwise excellent. The sealant is
> just added insurance.
> Dave H.
>> On 02/07/2021 12:44 AM van.mulders.marcel--- via Fot
>> <fot@autox.team.net> wrote:
>> It seems that about all sealants are performing well on the Fo8
>> gaskets, maybe because there is no need for it? So, most products
>> won't do any harm, but be aware of anaerobic gasket makers : these
>> can cure very fast, forming an elastic layer of some thou thickness :
>> the Fo8 gaskets won't leak, but the cylinderhead gasket will.
>> Marcel
>> ------------------------------------------------------------------------
>> *Van: *"fot" <fot@autox.team.net>
>> *Cc: *"Triumph List" <triumphs@autox.team.net>, "fot"
>> <fot@autox.team.net>
>> *Verzonden: *Zondag 7 februari 2021 03:17:01
>> *Onderwerp: *Re: [Fot] [TR] Sealants used on Fo8 gaskets
>> Donâ??t know if itâ??s my trick or if everyone does it but...
>> Once Iâ??ve got the liner landing as clean as I can get it, I use a old
>> liner as a hone and by twisting is back and forth with some valve
>> lapping compound, get a nice shiny ring on the block mating face.
>> Clean it up good and then use your sealant of choice.
>> Greg â??Lunkerâ?? Hilyer
>> Albuquerque NM
>>
>> On Feb 6, 2021, at 6:30 PM, Frank Fisher via Fot < fot@autox.team.net
>>
>> hylomar.
>> never sets up solid like silicone.
>> that means you have time to set the liners and go have a scotch,
>> come back, mess around.
>> leave it overnight and take up the task again tomorrow.
>> the best gasket dressing ever invented.
>> Frank
>> On Friday, February 5, 2021, 09:52:33 PM PST, Dan Cronin <
>>
>>
>> Folks
>> 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. Â And
>> Â 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. Â Stainless Steel valves with 0.050 oversize
>> intake thru Mang. Bronze guides. H/S roller rockers on alloy
>> pedestals. Â BPNW 270 duration cam. The TR4A head has had 0.040
>> removed mostly to true things up and remove prior imperfections.
>> Â 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. Â I am planning on installing Gasket Works 0.022
>> copper gasket with their 0.005 â??Oâ?? compression rings on the head
>> side of the gasket that will be sprayed with a copper coating on
>> each side. Â Gasket Works sent a set of Fo8 individual gaskets
>> that has allowed me to obtain a liner protrusion of 0.0025 to
>> 0.003. Â 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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<p>I suspect the reason so many sealants are successful is that it's
not really required. I personally use Gaskacinch on that surface,
used to use it on head gaskets too before I switched to Cometic
head gaskets.</p>
<p>Regards, Tony Drews<br>
</p>
<div class="moz-cite-prefix">On 2/7/2021 11:06 AM, DAVE HOGYE via
Fot wrote:<br>
</div>
<blockquote type="cite"
cite="mid:991368286.16767.1612717607135@connect.xfinity.com">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<meta charset="UTF-8">
<div style="font-size: 12pt; font-family:
helvetica,arial,sans-serif; color: #333333;"> <span
style="font-family: helvetica; font-size: 12pt;">I like the
method of using an old liner to polish the gasket surface.Â
Although a light amount would be nice just to get a good clear
image of the surface condition.  </span> </div>
<div style="font-size: 12pt; font-family:
helvetica,arial,sans-serif; color: #333333;"> <span
style="font-family: helvetica; font-size: 12pt;">I used the
red, High-Tack spray-on sealant with a copper gasket when I
put together my first and last and only TR engine build, which
is now apart for a refresh after 19 race weekends and a total
of 5,500 miles. I sprayed both sides of the gasket, let it
tack up and set them in place. I haven't pulled the liners.Â
I thought I'd just replace the rings and bearings, check and
polish the crank and refresh the valves and seats and put it
back together.</span> </div>
<div style="font-size: 12pt; font-family:
helvetica,arial,sans-serif; color: #333333;"> <span
style="font-family: helvetica; font-size: 12pt;">I think
Marcel has made a good point that it's possible no sealant is
necessary if all conditions are otherwise excellent. The
sealant is just added insurance.</span> </div>
<div style="font-size: 12pt; font-family:
helvetica,arial,sans-serif; color: #333333;"> <span
style="font-family: helvetica; font-size: 12pt;">Dave H.</span>
</div>
<div style="font-size: 12pt; font-family:
helvetica,arial,sans-serif; color: #333333;"> Â </div>
<blockquote type="cite">
<div> On 02/07/2021 12:44 AM van.mulders.marcel--- via Fot
<a class="moz-txt-link-rfc2396E"
href="mailto:fot@autox.team.net";><fot@autox.team.net></a> wrote: </div>
<div> Â </div>
<div> Â </div>
<div style="font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: 10pt; color: #000000;">
<div> Â </div>
<div> It seems that about all sealants are performing well on
the Fo8 gaskets, maybe because there is no need for it? So,
most products won't do any harm, but be aware of anaerobic
gasket makers : these can cure very fast, forming an elastic
layer of some thou thickness : the Fo8 gaskets won't leak,
but the cylinderhead gasket will. </div>
<div> Marcel </div>
<hr id="zwchr" data-marker="__DIVIDER__">
<div data-marker="__HEADERS__"> <strong>Van: </strong>"fot"
<a class="moz-txt-link-rfc2396E"
href="mailto:fot@autox.team.net";><fot@autox.team.net></a> <br>
<strong>Cc: </strong>"Triumph List"
<a class="moz-txt-link-rfc2396E"
href="mailto:triumphs@autox.team.net";><triumphs@autox.team.net></a>, "fot"
<a class="moz-txt-link-rfc2396E"
href="mailto:fot@autox.team.net";><fot@autox.team.net></a> <br>
<strong>Verzonden: </strong>Zondag 7 februari 2021 03:17:01
<br>
<strong>Onderwerp: </strong>Re: [Fot] [TR] Sealants used on
Fo8 gaskets </div>
<div> Â </div>
<div data-marker="__QUOTED_TEXT__">
<div dir="ltr"> Â </div>
<div dir="ltr"> Donâ??t know if itâ??s my trick or if everyone
does it but... </div>
<div dir="ltr"> Once Iâ??ve got the liner landing as clean as
I can get it, I use a old liner as a hone and by twisting
is back and forth with some valve lapping compound, get a
nice shiny ring on the block mating face. Clean it up good
and then use your sealant of choice. </div>
<div dir="ltr"> Greg â??Lunkerâ?? Hilyer </div>
<div dir="ltr"> Albuquerque NM </div>
<div dir="ltr"> <br>
On Feb 6, 2021, at 6:30 PM, Frank Fisher via Fot < <a
href="mailto:fot@autox.team.net"; target="_blank"
rel="noopener" moz-do-not-send="true">fot@autox.team.net</a>>
wrote: <br>
<br>
</div>
<blockquote>
<div dir="ltr">
<div class="ydpa6a2aedcyahoo-style-wrap"
style="font-family: 'helvetica neue' , 'helvetica' ,
'arial' , sans-serif; font-size: 16px;">
<div dir="ltr"> hylomar. </div>
<div dir="ltr"> Â </div>
<div dir="ltr"> never sets up solid like silicone. </div>
<div dir="ltr"> that means you have time to set the
liners and go have a scotch, come back, mess
around. </div>
<div dir="ltr"> leave it overnight and take up the
task again tomorrow. </div>
<div dir="ltr"> Â </div>
<div dir="ltr"> the best gasket dressing ever
invented. </div>
<div dir="ltr"> Â </div>
<div dir="ltr"> Frank </div>
</div>
<div id="ydp2984ea6cyahoo_quoted_3384257547"
class="ydp2984ea6cyahoo_quoted">
<div style="font-family: 'helvetica neue' ,
'helvetica' , 'arial' , sans-serif; font-size: 13px;
color: #26282a;">
<div> On Friday, February 5, 2021, 09:52:33 PM PST,
Dan Cronin < <a
href="mailto:adcronin@mi.rr.com"; target="_blank"
rel="noopener"
moz-do-not-send="true">adcronin@mi.rr.com</a>>
wrote: </div>
<br>
<br>
<div>
<div id="ydp2984ea6cyiv8272376385">
<div> Folks
<div class="ydp2984ea6cyiv8272376385"> 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. Â BPNW 270
duration cam. The TR4A head has had 0.040
removed mostly to true things up and remove
prior imperfections. Â 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. Â I am planning on
installing Gasket Works 0.022 copper gasket
with their 0.005 â??Oâ?? 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. Â 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. </div>
<div class="ydp2984ea6cyiv8272376385"> DC </div>
<div class="ydp2984ea6cyiv8272376385">
<IMG_3668.jpeg> </div>
</div>
</div>
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