Subject: Re: [Healeys] Exhaust header stud fix ?

From: Bob Spidell via Healeys <[email-masked]>
Date: Sat, 27 Feb 2021 21:06:45 -0800

I used this stuff once to bolster the threads in a bellhousing slave 
cylinder mount:

https://www.amazon.com/Loctite-442-28654-4-80ml-Thread-Stripped/dp/B000WSEUII/ref=asc_df_B000WSEUII/?tag=hyprod-20&linkCode=df0&hvadid=312106049007&hvpos=&hvnetw=g&hvrand=6889728303295400308&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=1014019&hvtargid=pla-440732566291&psc=1&tag=&ref=&adgrpid=62149806956&hvpone=&hvptwo=&hvadid=312106049007&hvpos=&hvnetw=g&hvrand=6889728303295400308&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=1014019&hvtargid=pla-440732566291

It held up for quite a few years, until I got a chance to put inserts 
in; but, 300degF may not be enough for exhaust proximity. It's an epoxy, 
like JB Weld, but it uses (your) bolt to form threads, and a 'release 
agent' to keep the bolt/stud from being glued in. I can't say for sure, 
but my gut feeling is an epoxy would gum up a tap.

Bob

On 2/27/2021 8:25 PM, Alan Seigrist via Healeys wrote:
> All -
>
> One of the three holes at the bottom of my exhaust header is loose and 
> the stud doesn't seat properly (but it does screw in).
>
> I was thinking of putting some "thermosteel" or JB "extreme heat" in 
> there then tapping it out.
>
> The threads are still there and it just needs a bit of fill to tighten 
> it up.
>
> Has anyone ever done a similar repair?  Will it last?
>
> Alan
>

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From: WILLIAM B LAWRENCE via Healeys <[email-masked]>
Date: Sun, 28 Feb 2021 05:20:48 +0000

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I doubt there is anything non-metallic that will stand up to the heat that =
close to the exhaust valves. Sounds like a job for a helicoil.

Bill Lawrence
BN1 #554
________________________________
From: Healeys <[email-masked]> on behalf of Bob Spidell via=
 Healeys <[email-masked]>
Sent: Sunday, February 28, 2021 5:06 AM
To: [email-masked] <[email-masked]>
Subject: Re: [Healeys] Exhaust header stud fix ?

https://www.amazon.com/Loctite-442-28654-4-80ml-Thread-Stripped/dp/B000WSEU=
II/ref=3Dasc_df_B000WSEUII/?tag=3Dhyprod-20&linkCode=3Ddf0&hvadid=3D3121060=
49007&hvpos=3D&hvnetw=3Dg&hvrand=3D6889728303295400308&hvpone=3D&hvptwo=3D&=
hvqmt=3D&hvdev=3Dc&hvdvcmdl=3D&hvlocint=3D&hvlocphy=3D1014019&hvtargid=3Dpl=
a-440732566291&psc=3D1&tag=3D&ref=3D&adgrpid=3D62149806956&hvpone=3D&hvptwo=
=3D&hvadid=3D312106049007&hvpos=3D&hvnetw=3Dg&hvrand=3D6889728303295400308&=
hvqmt=3D&hvdev=3Dc&hvdvcmdl=3D&hvlocint=3D&hvlocphy=3D1014019&hvtargid=3Dpl=
a-440732566291

Bob

Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archiv=
e

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<html>
<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dus-ascii"=
</head>
<body>
<div>I doubt there is anything non-metallic that will stand up to the heat =
that close to the exhaust valves. Sounds like a job for a helicoil.</div>
<div><br>
</div>
<div>Bill Lawrence</div>
<div>BN1 #554</div>
<hr style=3D"display:inline-block;width:98%" tabindex=3D"-1">
<div id=3D"divRplyFwdMsg" dir=3D"ltr"><font face=3D"Calibri, sans-serif" st=
yle=3D"font-size:11pt" color=3D"#000000"><b>From:</b> Healeys &lt;healeys-b=
[email-masked]&gt; on behalf of Bob Spidell via Healeys &lt;healeys@=
autox.team.net&gt;<br>
<b>Sent:</b> Sunday, February 28, 2021 5:06 AM<br>
<b>To:</b> [email-masked] &lt;[email-masked]&gt;<br>
<b>Subject:</b> Re: [Healeys] Exhaust header stud fix ?</font>
<div>&nbsp;</div>
</div>
<div class=3D"BodyFragment"><font size=3D"2"><span style=3D"font-size:11pt;=
">
<div class=3D"PlainText">I used this stuff once to bolster the threads in a=
 bellhousing slave
<br>
cylinder mount:<br>
<br>
<a>https://www.amazon.com/Loctite-442-28654-4-80ml-Thread-Stripped/dp/B000W=
SEUII/ref=3Dasc_df_B000WSEUII/?tag=3Dhyprod-20&amp;linkCode=3Ddf0&amp;hvadi=
d=3D312106049007&amp;hvpos=3D&amp;hvnetw=3Dg&amp;hvrand=3D68897283032954003=
08&amp;hvpone=3D&amp;hvptwo=3D&amp;hvqmt=3D&amp;hvdev=3Dc&amp;hvdvcmdl=3D&a=
mp;hvlocint=3D&amp;hvlocphy=3D1014019&amp;hvtargid=3Dpla-440732566291&amp;p=
sc=3D1&amp;tag=3D&amp;ref=3D&amp;adgrpid=3D62149806956&amp;hvpone=3D&amp;hv=
ptwo=3D&amp;hvadid=3D312106049007&amp;hvpos=3D&amp;hvnetw=3Dg&amp;hvrand=3D=
6889728303295400308&amp;hvqmt=3D&amp;hvdev=3Dc&amp;hvdvcmdl=3D&amp;hvlocint=
=3D&amp;hvlocphy=3D1014019&amp;hvtargid=3Dpla-440732566291</a><br>
<br>
It held up for quite a few years, until I got a chance to put inserts <br>
in; but, 300degF may not be enough for exhaust proximity. It's an epoxy, <b=
r>
like JB Weld, but it uses (your) bolt to form threads, and a 'release <br>
agent' to keep the bolt/stud from being glued in. I can't say for sure, <br=
but my gut feeling is an epoxy would gum up a tap.<br>
<br>
Bob<br>
<br>
On 2/27/2021 8:25 PM, Alan Seigrist via Healeys wrote:<br>
&gt; All -<br>
&gt;<br>
&gt; One of the three holes at the bottom of my exhaust&nbsp;header is loos=
e and <br>
&gt; the stud doesn't seat properly (but it does screw in).<br>
&gt;<br>
&gt; I was thinking of putting some &quot;thermosteel&quot; or JB &quot;ext=
reme heat&quot; in <br>
&gt; there then tapping it out.<br>
&gt;<br>
&gt; The threads are still there and it just needs a bit of fill to tighten=
 <br>
&gt; it up.<br>
&gt;<br>
&gt; Has anyone ever done a similar repair?&nbsp; Will it last?<br>
&gt;<br>
&gt; Alan<br>
&gt;<br>
<br>
_______________________________________________<br>
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[email-masked]

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---

From: Alan Seigrist via Healeys <[email-masked]>
Date: Sun, 28 Feb 2021 18:37:59 +0800

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ordered!

On Sun, Feb 28, 2021 at 1:21 PM WILLIAM B LAWRENCE via Healeys <
[email-masked]> wrote:

> I doubt there is anything non-metallic that will stand up to the heat tha=
t
> ------------------------------
> *From:* Healeys <[email-masked]> on behalf of Bob Spidell
> via Healeys <[email-masked]>
> *Sent:* Sunday, February 28, 2021 5:06 AM
> *To:* [email-masked] <[email-masked]>
> *Subject:* Re: [Healeys] Exhaust header stud fix ?
>
> https://www.amazon.com/Loctite-442-28654-4-80ml-Thread-Stripped/dp/B000WS=
EUII/ref=3Dasc_df_B000WSEUII/?tag=3Dhyprod-20&linkCode=3Ddf0&hvadid=3D31210=
6049007&hvpos=3D&hvnetw=3Dg&hvrand=3D6889728303295400308&hvpone=3D&hvptwo=
=3D&hvqmt=3D&hvdev=3Dc&hvdvcmdl=3D&hvlocint=3D&hvlocphy=3D1014019&hvtargid=
=3Dpla-440732566291&psc=3D1&tag=3D&ref=3D&adgrpid=3D62149806956&hvpone=3D&h=
vptwo=3D&hvadid=3D312106049007&hvpos=3D&hvnetw=3Dg&hvrand=3D688972830329540=
0308&hvqmt=3D&hvdev=3Dc&hvdvcmdl=3D&hvlocint=3D&hvlocphy=3D1014019&hvtargid=
=3Dpla-440732566291
> Unsubscribe/Manage:
> http://autox.team.net/mailman/options/healeys/[email-masked]
>
> Unsubscribe/Manage:
> http://autox.team.net/mailman/options/healeys/[email-masked]
>
>

--00000000000001a62105bc631999
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">ordered!</div><br><div class=3D"gmail_quote"><div dir=3D"l=
tr" class=3D"gmail_attr">On Sun, Feb 28, 2021 at 1:21 PM WILLIAM B LAWRENCE=
 via Healeys &lt;<a href=3D"mailto:[email-masked]">[email-masked]=
am.net</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"m=
argin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left=
:1ex">

<div>
<div>I doubt there is anything non-metallic that will stand up to the heat =
that close to the exhaust valves. Sounds like a job for a helicoil.</div>
<div><br>
</div>
<div>Bill Lawrence</div>
<div>BN1 #554</div>
<hr style=3D"display:inline-block;width:98%">
<div id=3D"gmail-m_-256882127623756149divRplyFwdMsg" dir=3D"ltr"><font face=
=3D"Calibri, sans-serif" style=3D"font-size:11pt" color=3D"#000000"><b>From=
:</b> Healeys &lt;<a href=3D"mailto:[email-masked]" target=
=3D"_blank">[email-masked]</a>&gt; on behalf of Bob Spidell=
 via Healeys &lt;<a href=3D"mailto:[email-masked]" target=3D"_blank=
">[email-masked]</a>&gt;<br>
<b>Sent:</b> Sunday, February 28, 2021 5:06 AM<br>
<b>To:</b> <a href=3D"mailto:[email-masked]" target=3D"_blank">heal=
[email-masked]</a> &lt;<a href=3D"mailto:[email-masked]" target=
=3D"_blank">[email-masked]</a>&gt;<br>
<b>Subject:</b> Re: [Healeys] Exhaust header stud fix ?</font>
<div>=C2=A0</div>
</div>
<div><font size=3D"2"><span style=3D"font-size:11pt">
<div>I used this stuff once to bolster the threads in a bellhousing slave
<br>
cylinder mount:<br>
<br>
<a>https://www.amazon.com/Loctite-442-28654-4-80ml-Thread-Stripped/dp/B000W=
SEUII/ref=3Dasc_df_B000WSEUII/?tag=3Dhyprod-20&amp;linkCode=3Ddf0&amp;hvadi=
d=3D312106049007&amp;hvpos=3D&amp;hvnetw=3Dg&amp;hvrand=3D68897283032954003=
08&amp;hvpone=3D&amp;hvptwo=3D&amp;hvqmt=3D&amp;hvdev=3Dc&amp;hvdvcmdl=3D&a=
mp;hvlocint=3D&amp;hvlocphy=3D1014019&amp;hvtargid=3Dpla-440732566291&amp;p=
sc=3D1&amp;tag=3D&amp;ref=3D&amp;adgrpid=3D62149806956&amp;hvpone=3D&amp;hv=
ptwo=3D&amp;hvadid=3D312106049007&amp;hvpos=3D&amp;hvnetw=3Dg&amp;hvrand=3D=
6889728303295400308&amp;hvqmt=3D&amp;hvdev=3Dc&amp;hvdvcmdl=3D&amp;hvlocint=
=3D&amp;hvlocphy=3D1014019&amp;hvtargid=3Dpla-440732566291</a><br>
<br>
It held up for quite a few years, until I got a chance to put inserts <br>
in; but, 300degF may not be enough for exhaust proximity. It&#39;s an epoxy=
, <br>
like JB Weld, but it uses (your) bolt to form threads, and a &#39;release <=
br>
agent&#39; to keep the bolt/stud from being glued in. I can&#39;t say for s=
ure, <br>
but my gut feeling is an epoxy would gum up a tap.<br>
<br>
Bob<br>
<br>
On 2/27/2021 8:25 PM, Alan Seigrist via Healeys wrote:<br>
&gt; All -<br>
&gt;<br>
&gt; One of the three holes at the bottom of my exhaust=C2=A0header is loos=
e and <br>
&gt; the stud doesn&#39;t seat properly (but it does screw in).<br>
&gt;<br>
&gt; I was thinking of putting some &quot;thermosteel&quot; or JB &quot;ext=
reme heat&quot; in <br>
&gt; there then tapping it out.<br>
&gt;<br>
&gt; The threads are still there and it just needs a bit of fill to tighten=
 <br>
&gt; it up.<br>
&gt;<br>
&gt; Has anyone ever done a similar repair?=C2=A0 Will it last?<br>
&gt;<br>
&gt; Alan<br>
&gt;<br>
<br>
_______________________________________________<br>
nk">http://www.team.net/donate.html</a><br>
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am.net/archive</a><br>
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eam.net</a><br>
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[email-masked]

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---

From: Alan Seigrist via Healeys <[email-masked]>
Date: Sun, 28 Feb 2021 18:44:19 +0800

--===============4777241285377687473==

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Bill -

One question - the hole goes from one end to the other on the flange of the
exhaust manifold, so do I set the coil with some high strength threadlocker=
?

Best,

Alan

t
> > Has anyone ever done a similar repair?  Will it last?

--000000000000a2735205bc632fce
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<div dir=3D"ltr">Bill -<div><br></div><div>One question - the hole goes fro=
m one end to the other on the flange of the exhaust manifold, so do I set t=
he coil with some high strength threadlocker?</div><div><br></div><div>Best=
,</div><div><br></div><div>Alan</div></div><br><div class=3D"gmail_quote"><=
div dir=3D"ltr" class=3D"gmail_attr">On Sun, Feb 28, 2021 at 1:21 PM WILLIA=
M B LAWRENCE via Healeys &lt;<a href=3D"mailto:[email-masked]">heal=
[email-masked]</a>&gt; 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">

<div>

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[email-masked]

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---

From: Bob Spidell <[email-masked]>
Date: Sun, 28 Feb 2021 07:36:40 -0800

This is a multi-part message in MIME format.
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I always use it on thread inserts, but heat is the one thing that 
releases it. Like Bill said, it's pretty hot there, but I see no harm on 
giving it a go.

On 2/28/2021 2:44 AM, Alan Seigrist wrote:
> Bill -
>
> One question - the hole goes from one end to the other on the flange 
> of the exhaust manifold, so do I set the coil with some high strength 
> threadlocker?
>
> Best,
>
> Alan
>
> On Sun, Feb 28, 2021 at 1:21 PM WILLIAM B LAWRENCE via Healeys 
>
>     I doubt there is anything non-metallic that will stand up to the
>     heat that close to the exhaust valves. Sounds like a job for a
>     helicoil.
>
>     Bill Lawrence
>     BN1 #554
>     ------------------------------------------------------------------------
>     *From:* Healeys <[email-masked]

--------------7F1944DC2D36B58BE22FAAFA
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<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  </head>
  <body>
    I always use it on thread inserts, but heat is the one thing that
    releases it. Like Bill said, it's pretty hot there, but I see no
    harm on giving it a go.<br>
    <br>
    <div class="moz-cite-prefix">On 2/28/2021 2:44 AM, Alan Seigrist
      wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAFBXTkK=[email-masked]">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div dir="ltr">Bill -
        <div><br>
        </div>
        <div>One question - the hole goes from one end to the other on
          the flange of the exhaust manifold, so do I set the coil with
          some high strength threadlocker?</div>
        <div><br>
        </div>
        <div>Best,</div>
        <div><br>
        </div>
        <div>Alan</div>
      </div>
      <br>
      <div class="gmail_quote">
        <div dir="ltr" class="gmail_attr">On Sun, Feb 28, 2021 at 1:21
          PM WILLIAM B LAWRENCE via Healeys &lt;<a
            href="mailto:[email-masked]" moz-do-not-send="true">[email-masked]</a>&gt;
          wrote:<br>
        </div>
        <blockquote class="gmail_quote" style="margin:0px 0px 0px
          0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
          <div>
            <div>I doubt there is anything non-metallic that will stand
              up to the heat that close to the exhaust valves. Sounds
              like a job for a helicoil.</div>
            <div><br>
            </div>
            <div>Bill Lawrence</div>
            <div>BN1 #554</div>
            <hr style="display:inline-block;width:98%">
            <div id="gmail-m_-256882127623756149divRplyFwdMsg" dir="ltr"><font
                style="font-size:11pt" face="Calibri, sans-serif"
                color="#000000"><b>From:</b> Healeys &lt;<a
                  href="mailto:[email-masked]"
                  target="_blank" moz-do-not-send="true">[email-masked]</a>&gt;
                on behalf of Bob Spidell via Healeys &lt;<a
                  href="mailto:[email-masked]" target="_blank"
                  moz-do-not-send="true">[email-masked]</a>&gt;<br>
                <b>Sent:</b> Sunday, February 28, 2021 5:06 AM<br>
                <b>To:</b> <a href="mailto:[email-masked]"
                  target="_blank" moz-do-not-send="true">[email-masked]</a>
                &lt;<a href="mailto:[email-masked]"
                  target="_blank" moz-do-not-send="true">[email-masked]</a>&gt;<br>
                <b>Subject:</b> Re: [Healeys] Exhaust header stud fix ?</font>
              <div> </div>
            </div>
            <div><font size="2"><span style="font-size:11pt">
                  <div>I used this stuff once to bolster the threads in
                    a bellhousing slave
                    <br>
                    cylinder mount:<br>
                    <br>
                    <a moz-do-not-send="true">https://www.amazon.com/Loctite-442-28654-4-80ml-Thread-Stripped/dp/B000WSEUII/ref=asc_df_B000WSEUII/?tag=hyprod-20&amp;linkCode=df0&amp;hvadid=312106049007&amp;hvpos=&amp;hvnetw=g&amp;hvrand=6889728303295400308&amp;hvpone=&amp;hvptwo=&amp;hvqmt=&amp;hvdev=c&amp;hvdvcmdl=&amp;hvlocint=&amp;hvlocphy=1014019&amp;hvtargid=pla-440732566291&amp;psc=1&amp;tag=&amp;ref=&amp;adgrpid=62149806956&amp;hvpone=&amp;hvptwo=&amp;hvadid=312106049007&amp;hvpos=&amp;hvnetw=g&amp;hvrand=6889728303295400308&amp;hvqmt=&amp;hvdev=c&amp;hvdvcmdl=&amp;hvlocint=&amp;hvlocphy=1014019&amp;hvtargid=pla-440732566291</a><br>
                    <br>
                    It held up for quite a few years, until I got a
                    chance to put inserts <br>
                    in; but, 300degF may not be enough for exhaust
                    proximity. It's an epoxy, <br>
                    like JB Weld, but it uses (your) bolt to form
                    threads, and a 'release <br>
                    agent' to keep the bolt/stud from being glued in. I
                    can't say for sure, <br>
                    but my gut feeling is an epoxy would gum up a tap.<br>
                    <br>
                    Bob<br>
                    <br>
                    On 2/27/2021 8:25 PM, Alan Seigrist via Healeys
                    wrote:<br>
                    &gt; All -<br>
                    &gt;<br>
                    &gt; One of the three holes at the bottom of my
                    exhaust header is loose and <br>
                    &gt; the stud doesn't seat properly (but it does
                    screw in).<br>
                    &gt;<br>
                    &gt; I was thinking of putting some "thermosteel" or
                    JB "extreme heat" in <br>
                    &gt; there then tapping it out.<br>
                    &gt;<br>
                    &gt; The threads are still there and it just needs a
                    bit of fill to tighten <br>
                    &gt; it up.<br>
                    &gt;<br>
                    &gt; Has anyone ever done a similar repair?  Will it
                    last?<br>
                    &gt;<br>
                    &gt; Alan<br>
                    &gt;<br>
                    <br>
                  </div>
                </span></font></div>
          </div>
        </blockquote>
      </div>
    </blockquote>
    <br>
  </body>
</html>

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[email-masked]

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---

From: David Nock via Healeys <[email-masked]>
Date: Sun, 28 Feb 2021 07:52:14 -0800

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Drill out and install a Helicoil   We do it all the time.=20

David Nock

Sent from my iPhone

> On Feb 27, 2021, at 9:21 PM, WILLIAM B LAWRENCE via Healeys <healeys@autox=
.team.net> wrote:
>=20
> =EF=BB=BF
> I doubt there is anything non-metallic that will stand up to the heat that=
>=20
> Bill Lawrence
> BN1 #554
> From: Healeys <[email-masked]> on behalf of Bob Spidell vi=
a Healeys <[email-masked]>
> =20
> I used this stuff once to bolster the threads in a bellhousing slave=20
> cylinder mount:
>=20
> https://www.amazon.com/Loctite-442-28654-4-80ml-Thread-Stripped/dp/B000WSE=
UII/ref=3Dasc_df_B000WSEUII/?tag=3Dhyprod-20&linkCode=3Ddf0&hvadid=3D3121060=
49007&hvpos=3D&hvnetw=3Dg&hvrand=3D6889728303295400308&hvpone=3D&hvptwo=3D&h=
vqmt=3D&hvdev=3Dc&hvdvcmdl=3D&hvlocint=3D&hvlocphy=3D1014019&hvtargid=3Dpla-=
440732566291&psc=3D1&tag=3D&ref=3D&adgrpid=3D62149806956&hvpone=3D&hvptwo=3D=
&hvadid=3D312106049007&hvpos=3D&hvnetw=3Dg&hvrand=3D6889728303295400308&hvqm=
t=3D&hvdev=3Dc&hvdvcmdl=3D&hvlocint=3D&hvlocphy=3D1014019&hvtargid=3Dpla-440=
732566291
>=20
> It held up for quite a few years, until I got a chance to put inserts=20
> in; but, 300degF may not be enough for exhaust proximity. It's an epoxy,=20=

> like JB Weld, but it uses (your) bolt to form threads, and a 'release=20
> agent' to keep the bolt/stud from being glued in. I can't say for sure,=20=

>=20
>=20
> > One of the three holes at the bottom of my exhaust header is loose and=20=

> > I was thinking of putting some "thermosteel" or JB "extreme heat" in=20
> > The threads are still there and it just needs a bit of fill to tighten=20=

>=20
>=20
> Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archi=
ve
>=20
>=20
> Unsubscribe/Manage: http://autox.team.net/mailman/options/healeys/ynotink@=
msn.com
>=20
>=20
> Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archi=
ve
>=20
>=20
> Unsubscribe/Manage: http://autox.team.net/mailman/options/healeys/healeydo=
[email-masked]
>=20

--Apple-Mail-668DFADE-80AB-49EB-BC7F-4AB37E541258
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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto">Drill out and install a Helicoil &nbsp; We d=
o it all the time.&nbsp;<br><br><div dir=3D"ltr"><div>David Nock</div><div><=
br></div>Sent from my iPhone</div><div dir=3D"ltr"><br><blockquote type=3D"c=
ite">On Feb 27, 2021, at 9:21 PM, WILLIAM B LAWRENCE via Healeys &lt;healeys=
@autox.team.net&gt; wrote:<br><br></blockquote></div><blockquote type=3D"cit=
e"><div dir=3D"ltr">=EF=BB=BF

<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dus-ascii">=

<div>I doubt there is anything non-metallic that will stand up to the heat t=
hat close to the exhaust valves. Sounds like a job for a helicoil.</div>
<div><br>
</div>
<div>Bill Lawrence</div>
<div>BN1 #554</div>
<hr style=3D"display:inline-block;width:98%" tabindex=3D"-1">
<div id=3D"divRplyFwdMsg" dir=3D"ltr"><font face=3D"Calibri, sans-serif" sty=
le=3D"font-size:11pt" color=3D"#000000"><b>From:</b> Healeys &lt;healeys-bou=
[email-masked]&gt; on behalf of Bob Spidell via Healeys &lt;healeys@aut=
ox.team.net&gt;<br>
<b>Sent:</b> Sunday, February 28, 2021 5:06 AM<br>
<b>To:</b> [email-masked] &lt;[email-masked]&gt;<br>
<b>Subject:</b> Re: [Healeys] Exhaust header stud fix ?</font>
<div>&nbsp;</div>
</div>
<div class=3D"BodyFragment"><font size=3D"2"><span style=3D"font-size:11pt;"=
<div class=3D"PlainText">I used this stuff once to bolster the threads in a b=
ellhousing slave
<br>
cylinder mount:<br>
<br>
<a>https://www.amazon.com/Loctite-442-28654-4-80ml-Thread-Stripped/dp/B000WS=
EUII/ref=3Dasc_df_B000WSEUII/?tag=3Dhyprod-20&amp;linkCode=3Ddf0&amp;hvadid=3D=
312106049007&amp;hvpos=3D&amp;hvnetw=3Dg&amp;hvrand=3D6889728303295400308&am=
p;hvpone=3D&amp;hvptwo=3D&amp;hvqmt=3D&amp;hvdev=3Dc&amp;hvdvcmdl=3D&amp;hvl=
ocint=3D&amp;hvlocphy=3D1014019&amp;hvtargid=3Dpla-440732566291&amp;psc=3D1&=
amp;tag=3D&amp;ref=3D&amp;adgrpid=3D62149806956&amp;hvpone=3D&amp;hvptwo=3D&=
amp;hvadid=3D312106049007&amp;hvpos=3D&amp;hvnetw=3Dg&amp;hvrand=3D688972830=
3295400308&amp;hvqmt=3D&amp;hvdev=3Dc&amp;hvdvcmdl=3D&amp;hvlocint=3D&amp;hv=
locphy=3D1014019&amp;hvtargid=3Dpla-440732566291</a><br>
<br>
It held up for quite a few years, until I got a chance to put inserts <br>
in; but, 300degF may not be enough for exhaust proximity. It's an epoxy, <br=
like JB Weld, but it uses (your) bolt to form threads, and a 'release <br>
agent' to keep the bolt/stud from being glued in. I can't say for sure, <br>=

but my gut feeling is an epoxy would gum up a tap.<br>
<br>
Bob<br>
<br>
On 2/27/2021 8:25 PM, Alan Seigrist via Healeys wrote:<br>
&gt; All -<br>
&gt;<br>
&gt; One of the three holes at the bottom of my exhaust&nbsp;header is loose=
 and <br>
&gt; the stud doesn't seat properly (but it does screw in).<br>
&gt;<br>
&gt; I was thinking of putting some "thermosteel" or JB "extreme heat" in <b=
r>
&gt; there then tapping it out.<br>
&gt;<br>
&gt; The threads are still there and it just needs a bit of fill to tighten <=
br>
&gt; it up.<br>
&gt;<br>
&gt; Has anyone ever done a similar repair?&nbsp; Will it last?<br>
&gt;<br>
&gt; Alan<br>
&gt;<br>
<br>
_______________________________________________<br>
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[email-masked]

--===============8141487441477071313==--

---

From: Alan Seigrist via Healeys <[email-masked]>
Date: Mon, 1 Mar 2021 09:38:17 +0800

--===============1949513155105295679==

--000000000000a6bd6b05bc6fac93
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Hi David -

Thanks for the feedback.  Hope you are all doing well in the Central Valley
- being in Hong Kong I don't see you guys anymore.

Cheers,

Alan

On Sun, Feb 28, 2021 at 11:53 PM David Nock via Healeys <
[email-masked]> wrote:

> Drill out and install a Helicoil   We do it all the time.
>
> David Nock
>
> Sent from my iPhone
>
> On Feb 27, 2021, at 9:21 PM, WILLIAM B LAWRENCE via Healeys <
t
> http://autox.team.net/mailman/options/healeys/[email-masked]
>

--000000000000a6bd6b05bc6fac93
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<div dir=3D"ltr">Hi David -<div><br></div><div>Thanks for the feedback.=C2=
=A0 Hope you are all doing well in the Central Valley - being in Hong Kong =
I don&#39;t see you guys anymore.</div><div><br></div><div>Cheers,</div><di=
v><br></div><div>Alan</div></div><br><div class=3D"gmail_quote"><div dir=3D=
"ltr" class=3D"gmail_attr">On Sun, Feb 28, 2021 at 11:53 PM David Nock via =
Healeys &lt;<a href=3D"mailto:[email-masked]">[email-masked]=
t</a>&gt; 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"=
><div dir=3D"auto">Drill out and install a Helicoil =C2=A0 We do it all the=
 time.=C2=A0<br><br><div dir=3D"ltr"><div>David Nock</div><div><br></div>Se=
nt from my iPhone</div><div dir=3D"ltr"><br><blockquote type=3D"cite">On Fe=
b 27, 2021, at 9:21 PM, WILLIAM B LAWRENCE via Healeys &lt;<a href=3D"mailt=
o:[email-masked]" target=3D"_blank">[email-masked]</a>&gt; =
wrote:<br><br></blockquote></div><blockquote type=3D"cite"><div dir=3D"ltr"=

<div id=3D"gmail-m_1115457144094511287divRplyFwdMsg" dir=3D"ltr"><font face=

<span>_______________________________________________</span><br><span>Suppo=
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