Subject: Re: [Healeys] Overdrive install advice needed

From: JSARCH via Healeys <[email-masked]>
Date: Mon, 25 Aug 2025 17:22:38 -0700

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I used non harding hylomar. BTW, it is extremely difficult to install the OD
onto the transmission if it is in the car. I would suggest removing the
transmission and mating it to the transmission with it in a vertical
position; bellhousing facing down. However, the assembly is very heavy to
reinstall into the car and it is best accomplished with two people. It can
almost be easier to remove the engine and transmission, install the OD and
then reinstall the engine/trans/OD back into the car.

John Spaur

'62 BT7

From: Healeys <[email-masked]> On Behalf Of Leonard
Berkowitz via Healeys
Sent: Monday, August 25, 2025 2:56 PM
To: [email-masked]
Subject: [Healeys] Overdrive install advice needed

Hi all

Thanks to much help from this list I was able to diagnosis the problem with
my overdrive.  It turned out that the overdrive solenoid had become non
functional.  Since I already had the transmission tunnel off and since the
overdrive has not worked properly for over twenty years I decided to get a
new rebuilt overdrive. The only question I now have is, how is everyone
dealing with the gasket between the overdrive and the tranny and the gasket
for the cover over the solenoid mechanism.  I haven't done any major work on
the engine since the early 90's when I rebuilt both the engine and the
tranny, and do not remember how I dealt with the paper gaskets. I've heard
that permetex is good, but there are different types of permatex. So what do
most of you use? And how do you use it.  BTW I was able to get 30 weight non
detergent oil at my local advanced auto parts store, so that problem is
taken care of.  

Thanks in advance for any advice you can give me. 

Len Berkowitz

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link=3D"#0563C1" vlink=3D"#954F72" style=3D'word-wrap:break-word'><div =
class=3DWordSection1><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'>I used non =
harding hylomar. BTW, it is extremely difficult to install the OD onto =
the transmission if it is in the car. I would suggest removing the =
transmission and mating it to the transmission with it in a vertical =
position; bellhousing facing down. However, the assembly is very heavy =
to reinstall into the car and it is best accomplished with two people. =
It can almost be easier to remove the engine and transmission, install =
the OD and then reinstall the engine/trans/OD back into the =
car.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p>&nbsp;</=
o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'>John =
Spaur<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'>&#8217;62 =
BT7<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p>&nbsp;</=
o:p></span></p><div><div style=3D'border:none;border-top:solid #E1E1E1 =
1.0pt;padding:3.0pt 0in 0in 0in'><p class=3DMsoNormal><b><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span><=
/b><span style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'> =
Healeys &lt;[email-masked]&gt; <b>On Behalf Of =
</b>Leonard Berkowitz via Healeys<br><b>Sent:</b> Monday, August 25, =
2025 2:56 PM<br><b>To:</b> [email-masked]<br><b>Subject:</b> =
[Healeys] Overdrive install advice =
needed<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><p class=3DMsoNormal><span =
style=3D'font-family:"Calibri",sans-serif;color:black'>Hi =
all<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-family:"Calibri",sans-serif;color:black'><o:p>&nbsp;</o:p><=
/span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-family:"Calibri",sans-serif;color:black'>Thanks to much =
help from this list I was able to diagnosis the problem with my =
overdrive. &nbsp;It turned out that the overdrive solenoid had become =
non functional. &nbsp;Since I already had the transmission tunnel off =
and since the overdrive has not worked properly for over twenty years I =
decided to get a new rebuilt overdrive. The only question I now have is, =
how is everyone dealing with the gasket between the overdrive and the =
tranny and the gasket for the cover over the solenoid mechanism. &nbsp;I =
haven't done any major work on the engine since the early 90's when I =
rebuilt both the engine and the tranny, and do not remember how I dealt =
with the paper gaskets. I've heard that permetex is good, but there are =
different types of permatex. So what do most of you use? And how do you =
use it. &nbsp;BTW I was able to get 30 weight non detergent oil at my =
local advanced auto parts store, so that problem is taken care of. =
&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-family:"Calibri",sans-serif;color:black'><o:p>&nbsp;</o:p><=
/span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-family:"Calibri",sans-serif;color:black'>Thanks in advance =
for any advice you can give me.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
style=3D'font-family:"Calibri",sans-serif;color:black'><o:p>&nbsp;</o:p><=
/span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-family:"Calibri",sans-serif;color:black'>Len =
Berkowitz<o:p></o:p></span></p></div></div></body></html>
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_______________________________________________

Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archive/healeys

[email-masked]
http://autox.team.net/mailman/listinfo/healeys

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From: Michael Salter <[email-masked]>
Date: Tue, 26 Aug 2025 03:06:01 +0000

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I would concur with John regarding installing an overdrive to an installed =
gearbox. Easily screwed up and not worth trying.
Fitting an overdrive to a gearbox is relatively easy particularly with this=
 special tool.
https://precisionsportscar.com/laycock-de-normanville-overdrive-installatio=
n-tool/
Reinstalling the gearbox is really a 2 person job with 1 person holding the=
 back end of the unit up with a fan belt around the rear yoke and the other=
 lifting the front of the box (bellhousing) from underneath.

M

________________________________
From: Healeys <[email-masked]> on behalf of JSARCH via Heal=
eys <[email-masked]>
Sent: Monday, August 25, 2025 8:22:38 PM
To: 'Leonard Berkowitz' <[email-masked]>; [email-masked] <=
[email-masked]>
Subject: Re: [Healeys] Overdrive install advice needed

I used non harding hylomar. BTW, it is extremely difficult to install the O=
D onto the transmission if it is in the car. I would suggest removing the t=
ransmission and mating it to the transmission with it in a vertical positio=
n; bellhousing facing down. However, the assembly is very heavy to reinstal=
l into the car and it is best accomplished with two people. It can almost b=
e easier to remove the engine and transmission, install the OD and then rei=
nstall the engine/trans/OD back into the car.

John Spaur

=9262 BT7

From: Healeys <[email-masked]> On Behalf Of Leonard Berkowi=
tz via Healeys
Sent: Monday, August 25, 2025 2:56 PM
To: [email-masked]
Subject: [Healeys] Overdrive install advice needed

Hi all

Thanks to much help from this list I was able to diagnosis the problem with=
 my overdrive.  It turned out that the overdrive solenoid had become non fu=
nctional.  Since I already had the transmission tunnel off and since the ov=
erdrive has not worked properly for over twenty years I decided to get a ne=
w rebuilt overdrive. The only question I now have is, how is everyone deali=
ng with the gasket between the overdrive and the tranny and the gasket for =
the cover over the solenoid mechanism.  I haven't done any major work on th=
e engine since the early 90's when I rebuilt both the engine and the tranny=
, and do not remember how I dealt with the paper gaskets. I've heard that p=
ermetex is good, but there are different types of permatex. So what do most=
 of you use? And how do you use it.  BTW I was able to get 30 weight non de=
tergent oil at my local advanced auto parts store, so that problem is taken=
 care of.

Len Berkowitz

--_000_SN7PR22MB37647F44B68CA7EF26B062A7A139ASN7PR22MB3764namp_
Content-Transfer-Encoding: quoted-printable

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<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3DWindows-1=
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</head>
<body>
<div dir=3D"auto" style=3D"font-family: Aptos, Aptos_MSFontService, -apple-=
system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt;">
I would concur with John regarding installing an overdrive to an installed =
gearbox. Easily screwed up and not worth trying.&nbsp;</div>
<div dir=3D"auto" style=3D"font-family: Aptos, Aptos_MSFontService, -apple-=
system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt;">
Fitting an overdrive to a gearbox is relatively easy particularly with this=
 special tool.</div>
<div dir=3D"auto" style=3D"font-family: Aptos, Aptos_MSFontService, -apple-=
system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0=
, 0, 0);">
<a href=3D"https://precisionsportscar.com/laycock-de-normanville-overdrive-=
installation-tool/">https://precisionsportscar.com/laycock-de-normanville-o=
verdrive-installation-tool/</a></div>
<div dir=3D"auto" style=3D"font-family: Aptos, Aptos_MSFontService, -apple-=
system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0=
, 0, 0);">
Reinstalling the gearbox is really a 2 person job with 1 person holding the=
 back end of the unit up with a fan belt around the rear yoke and the other=
 lifting the front of the box (bellhousing) from underneath.&nbsp;</div>
<div dir=3D"auto" style=3D"font-family: Aptos, Aptos_MSFontService, -apple-=
system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0=
, 0, 0);">
<br>
</div>
<div dir=3D"auto" style=3D"font-family: Aptos, Aptos_MSFontService, -apple-=
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M</div>
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<div style=3D"font-family:Aptos, Aptos_MSFontService, -apple-system, Roboto=
, Arial, Helvetica, sans-serif;font-size:12pt">
<br>
</div>
</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 JSARCH via Healeys &lt;healeys@autox=
.team.net&gt;<br>
<b>Sent:</b> Monday, August 25, 2025 8:22:38 PM<br>
<b>To:</b> 'Leonard Berkowitz' &lt;[email-masked]&gt;; healeys@aut=
ox.team.net &lt;[email-masked]&gt;<br>
<b>Subject:</b> Re: [Healeys] Overdrive install advice needed</font>
<div>&nbsp;</div>
</div>
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<p class=3D"x_MsoNormal"><span style=3D"font-size:11.0pt; font-family:&quot=
;Calibri&quot;,sans-serif">I used non harding hylomar. BTW, it is extremely=
 difficult to install the OD onto the transmission if it is in the car. I w=
ould suggest removing the transmission and mating
 it to the transmission with it in a vertical position; bellhousing facing =
down. However, the assembly is very heavy to reinstall into the car and it =
is best accomplished with two people. It can almost be easier to remove the=
 engine and transmission, install
 the OD and then reinstall the engine/trans/OD back into the car.</span></p=
<p class=3D"x_MsoNormal"><span style=3D"font-size:11.0pt; font-family:&quot=
;Calibri&quot;,sans-serif">&nbsp;</span></p>
<p class=3D"x_MsoNormal"><span style=3D"font-size:11.0pt; font-family:&quot=
;Calibri&quot;,sans-serif">John Spaur</span></p>
<p class=3D"x_MsoNormal"><span style=3D"font-size:11.0pt; font-family:&quot=
;Calibri&quot;,sans-serif">=9262 BT7</span></p>
<p class=3D"x_MsoNormal"><span style=3D"font-size:11.0pt; font-family:&quot=
;Calibri&quot;,sans-serif">&nbsp;</span></p>
<div>
<div style=3D"border:none; border-top:solid #E1E1E1 1.0pt; padding:3.0pt 0i=
n 0in 0in">
<p class=3D"x_MsoNormal"><b><span style=3D"font-size:11.0pt; font-family:&q=
uot;Calibri&quot;,sans-serif">From:</span></b><span style=3D"font-size:11.0=
pt; font-family:&quot;Calibri&quot;,sans-serif"> Healeys &lt;healeys-bounce=
[email-masked]&gt;
<b>On Behalf Of </b>Leonard Berkowitz via Healeys<br>
<b>Sent:</b> Monday, August 25, 2025 2:56 PM<br>
<b>To:</b> [email-masked]<br>
<b>Subject:</b> [Healeys] Overdrive install advice needed</span></p>
</div>
</div>
<p class=3D"x_MsoNormal">&nbsp;</p>
<div>
<p class=3D"x_MsoNormal"><span style=3D"font-family:&quot;Calibri&quot;,san=
s-serif; color:black">Hi all</span></p>
</div>
<div>
<p class=3D"x_MsoNormal"><span style=3D"font-family:&quot;Calibri&quot;,san=
s-serif; color:black">&nbsp;</span></p>
</div>
<div>
<p class=3D"x_MsoNormal"><span style=3D"font-family:&quot;Calibri&quot;,san=
s-serif; color:black">Thanks to much help from this list I was able to diag=
nosis the problem with my overdrive. &nbsp;It turned out that the overdrive=
 solenoid had become non functional. &nbsp;Since I already
 had the transmission tunnel off and since the overdrive has not worked pro=
perly for over twenty years I decided to get a new rebuilt overdrive. The o=
nly question I now have is, how is everyone dealing with the gasket between=
 the overdrive and the tranny and
 the gasket for the cover over the solenoid mechanism. &nbsp;I haven't done=
 any major work on the engine since the early 90's when I rebuilt both the =
engine and the tranny, and do not remember how I dealt with the paper gaske=
ts. I've heard that permetex is good,
 but there are different types of permatex. So what do most of you use? And=
 how do you use it. &nbsp;BTW I was able to get 30 weight non detergent oil=
 at my local advanced auto parts store, so that problem is taken care of. &=
nbsp;</span></p>
</div>
<div>
<p class=3D"x_MsoNormal"><span style=3D"font-family:&quot;Calibri&quot;,san=
s-serif; color:black">&nbsp;</span></p>
</div>
<div>
<p class=3D"x_MsoNormal"><span style=3D"font-family:&quot;Calibri&quot;,san=
s-serif; color:black">Thanks in advance for any advice you can give me.&nbs=
p;</span></p>
</div>
<div>
<p class=3D"x_MsoNormal"><span style=3D"font-family:&quot;Calibri&quot;,san=
s-serif; color:black">&nbsp;</span></p>
</div>
<div>
<p class=3D"x_MsoNormal"><span style=3D"font-family:&quot;Calibri&quot;,san=
s-serif; color:black">Len Berkowitz</span></p>
</div>
</div>
</div>
</body>
</html>

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[email-masked]

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