Subject: Re: [Mgs] Mgs Digest, Vol 221, Issue 1

From: Joel Martin <[email-masked]>
Date: Wed, 21 Jan 2026 21:23:29 +0000 (UTC)

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Thanks for the reply.=C2=A0 It is just that the nice clean oil mixed with t=
he old oil left in the oil cooler is no longer nice and clean.=C2=A0 Where =
the transmission oil still looks like it just came out of the bottle .=C2=
=A0 Tap the oil cooler on the bottom looks like best bet.=C2=A0 Wonder why =
they are not made that way.

Yahoo Mail: Search, Organize, Conquer=20
=20
  On Wed, Jan 21, 2026 at 2:06 PM, [email-masked]<mgs-request@a=
utox.team.net> wrote:   Send Mgs mailing list submissions to
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Today's Topics:

=C2=A0 1. Fw: 1973 MGB Oil Changes (Joel Martin)
=C2=A0 2. Re: Fw: 1973 MGB Oil Changes (Paul Hunt)
=20

   ----- Forwarded Message ----- From: Joel Martin <[email-masked]>To=
: MG Digest <[email-masked]>Sent: Friday, January 16, 2026, 11:=
35:00 AM ESTSubject: 1973 MGB Oil Changes
 I have a 1973 MGB.=C2=A0 Other than drill and tapping the oil cooler with =
a drain plug, how can you easily drain out the quart or so of old oil from =
the oil cooler during a oil change?
Thanks
Joel Martin   =20
Don't bother.=C2=A0 It's only a small amount and what is in there has been =
circulating through your engine all the time it has been running presumably=
 not doing any harm.=C2=A0 With fresh oil in the crankcase you won't know i=
t is there.=C2=A0=C2=A0
=20
The only exception might be if the oil has been contaminated in which case =
the best thing would be to remove it and the hoses and flush them.=C2=A0 Yo=
u would have to do that with the engine anyway.
=20
PaulH.
=20
 On 21/01/2026 00:01, Joel Martin wrote:
 =20
 =20
 =20
    ----- Forwarded Message ----- From: Joel Martin <[email-masked]> =
To: MG Digest <[email-masked]> Sent: Friday, January 16, 2026, =
11:35:00 AM EST Subject: 1973 MGB Oil Changes=20
      I have a 1973 MGB.=C2=A0 Other than drill and tapping the oil cooler =
with a drain plug, how can you easily drain out the quart or so of old oil =
from the oil cooler during a oil change?=20
  Thanks=20
  Joel Martin       =20
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Thanks for the reply.&nbsp; It is just that the nice clean oil mixed with t=
he old oil left in the oil cooler is no longer nice and clean.&nbsp; Where =
the transmission oil still looks like it just came out of the bottle .&nbsp=
; Tap the oil cooler on the bottom looks like best bet.&nbsp; Wonder why th=
ey are not made that way.<br><br><div id=3D"ymail_android_signature"><a id=
=3D"ymail_android_signature_link" href=3D"https://mail.onelink.me/107872968=
?pid=3Dnativeplacement&amp;c=3DUS_Acquisition_YMktg_315_SearchOrgConquer_Em=
ailSignature&amp;af_sub1=3DAcquisition&amp;af_sub2=3DUS_YMktg&amp;af_sub3=
=3D&amp;af_sub4=3D100002039&amp;af_sub5=3DC01_Email_Static_&amp;af_ios_stor=
e_cpp=3D0c38e4b0-a27e-40f9-a211-f4e2de32ab91&amp;af_android_url=3Dhttps://p=
lay.google.com/store/apps/details?id=3Dcom.yahoo.mobile.client.android.mail=
&amp;listing=3Dsearch_organize_conquer">Yahoo Mail: Search, Organize, Conqu=
er</a></div> <br> <blockquote style=3D"margin: 0 0 20px 0;"> <div style=3D"=
font-family:Roboto, sans-serif; color:#6D00F6;"> <div>On Wed, Jan 21, 2026 =
at 2:06 PM, [email-masked]</div><div>&lt;[email-masked]=
.net&gt; wrote:</div> </div> <div style=3D"padding: 10px 0 0 20px; margin: =
10px 0 0 0; border-left: 1px solid #6D00F6;"> <div dir=3D"ltr">Send Mgs mai=
ling list submissions to<br></div><div dir=3D"ltr">&nbsp;&nbsp;&nbsp; <a ym=
ailto=3D"mailto:[email-masked]" href=3D"mailto:[email-masked]">mgs@=
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div><div dir=3D"ltr">or, via email, send a message with subject or body 'he=
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ailto:[email-masked]">[email-masked]</a><br></div><div =
dir=3D"ltr"><br></div><div dir=3D"ltr">When replying, please edit your Subj=
ect line so it is more specific<br></div><div dir=3D"ltr">than "Re: Content=
s of Mgs digest..."<br></div>Donate: <a href=3D"http://www.team.net/donate.=
html" target=3D"_blank">http://www.team.net/donate.html</a><br>Suggested an=
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"http://www.team.net/forums" target=3D"_blank">http://www.team.net/forums</=
a><br><br>Today's Topics:<br><br>&nbsp;  1. Fw: 1973 MGB Oil Changes (Joel =
Martin)<br>&nbsp;  2. Re: Fw: 1973 MGB Oil Changes (Paul Hunt)<br><div id=
=3D"ymsg78931" class=3D"ymsg9715298712" src=3D"mid://AAChacSpmK2lOikbycJAZU=
GwZio/4.1"><div id=3D"yiv7101588745"><div><div style=3D"font-family:Helveti=
ca Neue, Helvetica, Arial, sans-serif;font-size:16px;" class=3D"yiv71015887=
45yahoo-style-wrap"><div></div>
        <div><br></div><div><br></div>
       =20
        <div id=3D"yiv7101588745yahoo_quoted_9567571315" class=3D"yiv710158=
8745yahoo_quoted">
            <div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
                <div>----- Forwarded Message -----</div>
                <div><b>From:</b> Joel Martin &lt;[email-masked]&gt;<=
/div><div><b>To:</b> MG Digest &lt;[email-masked]&gt;</div><div=
><b>Sent:</b> Friday, January 16, 2026, 11:35:00 AM EST</div><div><b>Subjec=
t:</b> 1973 MGB Oil Changes</div><div><br></div>
               =20
               =20
                <div><div id=3D"yiv7101588745"><div><div style=3D"font-fami=
ly:garamond, new york, times, serif;font-size:16px;" class=3D"yiv7101588745=
yahoo-style-wrap"><div dir=3D"ltr">I have a 1973 MGB.&nbsp; Other than dril=
l and tapping the oil cooler with a drain plug, how can you easily drain ou=
t the quart or so of old oil from the oil cooler during a oil change?</div>=
<div dir=3D"ltr"><br></div><div dir=3D"ltr">Thanks</div><div dir=3D"ltr"><b=
r></div><div dir=3D"ltr">Joel Martin</div></div></div></div></div>
            </div>
        </div></div></div></div></div><div id=3D"ymsg05241" class=3D"ymsg97=
15298712" src=3D"mid://AAChacSpmK2lOikbycJAZUGwZio/4.2"><div id=3D"yiv71015=
88745">

 =20
   =20
 =20
  <div>
    <p>Don't bother.&nbsp; It's only a small amount and what is in there ha=
s
      been circulating through your engine all the time it has been
      running presumably not doing any harm.&nbsp; With fresh oil in the
      crankcase you won't know it is there.&nbsp;&nbsp;</p>
    <p>The only exception might be if the oil has been contaminated in
      which case the best thing would be to remove it and the hoses and
      flush them.&nbsp; You would have to do that with the engine anyway.</=
p>
    <p>PaulH.<br>
    </p>
    <div class=3D"yiv7101588745moz-cite-prefix">On 21/01/2026 00:01, Joel M=
artin wrote:<br>
    </div>
    <blockquote type=3D"cite">
     =20
      <div style=3D"font-family:Helvetica Neue, Helvetica, Arial, sans-seri=
f;font-size:16px;" class=3D"yiv7101588745yahoo-style-wrap">
        <div><br>
        </div>
        <div><br>
        </div>
        <div id=3D"yiv7101588745yahoo_quoted_9567571315" class=3D"yiv710158=
8745yahoo_quoted">
          <div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, san=
s-serif;font-size:13px;color:#26282a;">
            <div>----- Forwarded Message -----</div>
            <div><b>From:</b> Joel Martin <a rel=3D"nofollow noopener noref=
errer" ymailto=3D"mailto:[email-masked]" target=3D"_blank" href=3D"ma=
ilto:[email-masked]" class=3D"yiv7101588745moz-txt-link-rfc2396E">&lt=
;[email-masked]&gt;</a></div>
            <div><b>To:</b> MG Digest <a rel=3D"nofollow noopener noreferre=
r" ymailto=3D"mailto:[email-masked]" target=3D"_blank" href=3D"=
mailto:[email-masked]" class=3D"yiv7101588745moz-txt-link-rfc23=
96E">&lt;[email-masked]&gt;</a></div>
            <div><b>Sent:</b> Friday, January 16, 2026, 11:35:00 AM EST</di=
v>
            <div><b>Subject:</b> 1973 MGB Oil Changes</div>
            <div><br>
            </div>
            <div>
              <div id=3D"yiv7101588745">
                <div>
                  <div style=3D"font-family:garamond, new york, times, seri=
f;font-size:16px;" class=3D"yiv7101588745yahoo-style-wrap">
                    <div dir=3D"ltr">I have a 1973 MGB.&nbsp; Other than dr=
ill
                      and tapping the oil cooler with a drain plug, how
                      can you easily drain out the quart or so of old
                      oil from the oil cooler during a oil change?</div>
                    <div dir=3D"ltr"><br>
                    </div>
                    <div dir=3D"ltr">Thanks</div>
                    <div dir=3D"ltr"><br>
                    </div>
                    <div dir=3D"ltr">Joel Martin</div>
                  </div>
                </div>
              </div>
            </div>
          </div>
        </div>
      </div>
      <br>
      <fieldset class=3D"yiv7101588745moz-mime-attachment-header"></fieldse=
t>
      <pre class=3D"yiv7101588745moz-quote-pre">___________________________=
____________________

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745moz-txt-link-abbreviated">[email-masked]</a>
ttp://www.team.net/donate.html" class=3D"yiv7101588745moz-txt-link-freetext=
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</pre>
    </blockquote>
  </div>

</div></div>_______________________________________________<br>Mgs mailing =
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From: Max Heim <[email-masked]>
Date: Wed, 21 Jan 2026 13:41:17 -0800

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Content-Transfer-Encoding: quoted-printable
	charset=utf-8

You would also have to drill a hole in the front apron, for the tap to =
go through. And it would have to be large enough for the whole tap unit =
and handle if you want to be able to move the cooler without removing =
the tap and draining it.

IMO, it is something that has not been a problem for the last 50-60 =
years, so I wouldn=E2=80=99t waste any time trying to solve it. The oil =
will get =E2=80=9Cdirty looking=E2=80=9D soon enough, anyway.

--
Max Heim
'66 MGB

> On Jan 21, 2026, at 1:23=E2=80=AFPM, Joel Martin =
<[email-masked]> wrote:
>=20
> Thanks for the reply.  It is just that the nice clean oil mixed with =
the old oil left in the oil cooler is no longer nice and clean.  Where =
the transmission oil still looks like it just came out of the bottle .  =
Tap the oil cooler on the bottom looks like best bet.  Wonder why they =
are not made that way.
>=20
> Yahoo Mail: Search, Organize, Conquer =
<https://mail.onelink.me/107872968?pid=3Dnativeplacement&c=3DUS_Acquisitio=
n_YMktg_315_SearchOrgConquer_EmailSignature&af_sub1=3DAcquisition&af_sub2=3D=
US_YMktg&af_sub3=3D&af_sub4=3D100002039&af_sub5=3DC01_Email_Static_&af_ios=
_store_cpp=3D0c38e4b0-a27e-40f9-a211-f4e2de32ab91&af_android_url=3Dhttps:/=
/play.google.com/store/apps/details?id=3Dcom.yahoo.mobile.client.android.m=
ail&listing=3Dsearch_organize_conquer>
> On Wed, Jan 21, 2026 at 2:06 PM, [email-masked]
> <[email-masked]> wrote:
> Send Mgs mailing list submissions to
>=20
> Donate: http://www.team.net/donate.html
> Suggested annual donation  $12.75
> Forums: http://www.team.net/forums
>=20
> Today's Topics:
>=20
>   1. Fw: 1973 MGB Oil Changes (Joel Martin)
>   2. Re: Fw: 1973 MGB Oil Changes (Paul Hunt)
>=20
>=20
> ----- Forwarded Message -----
> From: Joel Martin <[email-masked]>
> To: MG Digest <[email-masked]>
> Sent: Friday, January 16, 2026, 11:35:00 AM EST
> Subject: 1973 MGB Oil Changes
>=20
> I have a 1973 MGB.  Other than drill and tapping the oil cooler with a =
drain plug, how can you easily drain out the quart or so of old oil from =
the oil cooler during a oil change?
>=20
> Thanks
>=20
> Joel Martin
> Don't bother.  It's only a small amount and what is in there has been =
circulating through your engine all the time it has been running =
presumably not doing any harm.  With fresh oil in the crankcase you =
won't know it is there. =20
>=20
> The only exception might be if the oil has been contaminated in which =
case the best thing would be to remove it and the hoses and flush them.  =
You would have to do that with the engine anyway.
>> ----- Forwarded Message -----
>> From: Joel Martin <[email-masked]> =
>> To: MG Digest <[email-masked]> =
>> Sent: Friday, January 16, 2026, 11:35:00 AM EST
>> Subject: 1973 MGB Oil Changes
>>=20
>> I have a 1973 MGB.  Other than drill and tapping the oil cooler with =
a drain plug, how can you easily drain out the quart or so of old oil =
from the oil cooler during a oil change?
>> Joel Martin
>> Donate: http://www.team.net/donate.html
>> Suggested annual donation  $12.75
>>=20
>> Archive: http://www.team.net/pipermail/mgs =
http://autox.team.net/archive
>> Unsubscribe: =
http://autox.team.net/mailman/options/mgs/[email-masked]
> Donate: http://www.team.net/donate.html
> Suggested annual donation  $12.75
>=20
> Archive: http://www.team.net/pipermail/mgs =
http://autox.team.net/archive
> Unsubscribe: =
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--Apple-Mail=_4A3A84A7-68B0-447B-A3BE-31DE37145893
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	charset=utf-8

<html><head><meta http-equiv=3D"content-type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"overflow-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;">You would also =
have to drill a hole in the front apron, for the tap to go through. And =
it would have to be large enough for the whole tap unit and handle if =
you want to be able to move the cooler without removing the tap and =
draining it.<div><br></div><div>IMO, it is something that has not been a =
problem for the last 50-60 years, so I wouldn=E2=80=99t waste any time =
trying to solve it. The oil will get =E2=80=9Cdirty looking=E2=80=9D =
soon enough, anyway.</div><div><br =
id=3D"lineBreakAtBeginningOfMessage"><div>
--<br>Max Heim<br>'66 MGB

</div>

<div><br><blockquote type=3D"cite"><div>On Jan 21, 2026, at 1:23=E2=80=AFP=
M, Joel Martin &lt;[email-masked]&gt; wrote:</div><br =
class=3D"Apple-interchange-newline"><div>Thanks for the reply.&nbsp; It =
is just that the nice clean oil mixed with the old oil left in the oil =
cooler is no longer nice and clean.&nbsp; Where the transmission oil =
still looks like it just came out of the bottle .&nbsp; Tap the oil =
cooler on the bottom looks like best bet.&nbsp; Wonder why they are not =
made that way.<br><br><div id=3D"ymail_android_signature"><a =
id=3D"ymail_android_signature_link" =
href=3D"https://mail.onelink.me/107872968?pid=3Dnativeplacement&amp;c=3DUS=
_Acquisition_YMktg_315_SearchOrgConquer_EmailSignature&amp;af_sub1=3DAcqui=
sition&amp;af_sub2=3DUS_YMktg&amp;af_sub3=3D&amp;af_sub4=3D100002039&amp;a=
f_sub5=3DC01_Email_Static_&amp;af_ios_store_cpp=3D0c38e4b0-a27e-40f9-a211-=
f4e2de32ab91&amp;af_android_url=3Dhttps://play.google.com/store/apps/detai=
ls?id=3Dcom.yahoo.mobile.client.android.mail&amp;listing=3Dsearch_organize=
_conquer">Yahoo Mail: Search, Organize, Conquer</a></div> <br> =
<blockquote style=3D"margin: 0 0 20px 0;"> <div =
style=3D"font-family:Roboto, sans-serif; color:#6D00F6;"> <div>On Wed, =
Jan 21, 2026 at 2:06 PM, =
[email-masked]</div><div>&lt;[email-masked]&gt; =
wrote:</div> </div> <div style=3D"padding: 10px 0 0 20px; margin: 10px 0 =
0 0; border-left: 1px solid #6D00F6;"> <div dir=3D"ltr">Send Mgs mailing =
list submissions to<br></div><div dir=3D"ltr">&nbsp;&nbsp;&nbsp; <a =
ymailto=3D"mailto:[email-masked]" =
href=3D"mailto:[email-masked]">[email-masked]</a><br></div><div =
dir=3D"ltr"><br></div><div dir=3D"ltr">To subscribe or unsubscribe via =
the World Wide Web, visit<br></div><div dir=3D"ltr">&nbsp;&nbsp;&nbsp; =
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target=3D"_blank">http://autox.team.net/mailman/listinfo/mgs</a><br></div>=
<div dir=3D"ltr">or, via email, send a message with subject or body =
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href=3D"mailto:[email-masked]">[email-masked]</a><br><=
/div><div dir=3D"ltr"><br></div><div dir=3D"ltr">When replying, please =
edit your Subject line so it is more specific<br></div><div =
dir=3D"ltr">than "Re: Contents of Mgs digest..."<br></div>Donate: <a =
href=3D"http://www.team.net/donate.html" =
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Topics:<br><br>&nbsp;  1. Fw: 1973 MGB Oil Changes (Joel =
Martin)<br>&nbsp;  2. Re: Fw: 1973 MGB Oil Changes (Paul Hunt)<br><div =
id=3D"ymsg78931" class=3D"ymsg9715298712" =
src=3D"mid://AAChacSpmK2lOikbycJAZUGwZio/4.1"><div =
id=3D"yiv7101588745"><div><div style=3D"font-family:Helvetica Neue, =
Helvetica, Arial, sans-serif;font-size:16px;" =
class=3D"yiv7101588745yahoo-style-wrap"><div></div>
        <div><br></div><div><br></div>
       =20
        <div id=3D"yiv7101588745yahoo_quoted_9567571315" =
class=3D"yiv7101588745yahoo_quoted">
            <div style=3D"font-family:'Helvetica Neue', Helvetica, =
Arial, sans-serif;font-size:13px;color:#26282a;">
                <div>----- Forwarded Message -----</div>
                <div><b>From:</b> Joel Martin =
&lt;[email-masked]&gt;</div><div><b>To:</b> MG Digest =
&lt;[email-masked]&gt;</div><div><b>Sent:</b> Friday, =
January 16, 2026, 11:35:00 AM EST</div><div><b>Subject:</b> 1973 MGB Oil =
Changes</div><div><br></div>
               =20
               =20
                <div><div id=3D"yiv7101588745"><div><div =
style=3D"font-family:garamond, new york, times, serif;font-size:16px;" =
class=3D"yiv7101588745yahoo-style-wrap"><div dir=3D"ltr">I have a 1973 =
MGB.&nbsp; Other than drill and tapping the oil cooler with a drain =
plug, how can you easily drain out the quart or so of old oil from the =
oil cooler during a oil change?</div><div dir=3D"ltr"><br></div><div =
dir=3D"ltr">Thanks</div><div dir=3D"ltr"><br></div><div dir=3D"ltr">Joel =
Martin</div></div></div></div></div>
            </div>
        </div></div></div></div></div><div id=3D"ymsg05241" =
class=3D"ymsg9715298712" =
src=3D"mid://AAChacSpmK2lOikbycJAZUGwZio/4.2"><div id=3D"yiv7101588745">

 =20
   =20
 =20
  <div><p>Don't bother.&nbsp; It's only a small amount and what is in =
there has
      been circulating through your engine all the time it has been
      running presumably not doing any harm.&nbsp; With fresh oil in the
      crankcase you won't know it is there.&nbsp;&nbsp;</p><p>The only =
exception might be if the oil has been contaminated in
      which case the best thing would be to remove it and the hoses and
      flush them.&nbsp; You would have to do that with the engine =
anyway.</p><p>PaulH.<br>
    </p>
    <div class=3D"yiv7101588745moz-cite-prefix">On 21/01/2026 00:01, =
Joel Martin wrote:<br>
    </div>
    <blockquote type=3D"cite">
     =20
      <div style=3D"font-family:Helvetica Neue, Helvetica, Arial, =
sans-serif;font-size:16px;" class=3D"yiv7101588745yahoo-style-wrap">
        <div><br>
        </div>
        <div><br>
        </div>
        <div id=3D"yiv7101588745yahoo_quoted_9567571315" =
class=3D"yiv7101588745yahoo_quoted">
          <div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, =
sans-serif;font-size:13px;color:#26282a;">
            <div>----- Forwarded Message -----</div>
            <div><b>From:</b> Joel Martin <a rel=3D"nofollow noopener =
noreferrer" ymailto=3D"mailto:[email-masked]" target=3D"_blank" =
href=3D"mailto:[email-masked]" =
class=3D"yiv7101588745moz-txt-link-rfc2396E">&lt;[email-masked]&gt;<=
/a></div>
            <div><b>To:</b> MG Digest <a rel=3D"nofollow noopener =
noreferrer" ymailto=3D"mailto:[email-masked]" =
target=3D"_blank" href=3D"mailto:[email-masked]" =
class=3D"yiv7101588745moz-txt-link-rfc2396E">&lt;[email-masked]=
t&gt;</a></div>
            <div><b>Sent:</b> Friday, January 16, 2026, 11:35:00 AM =
EST</div>
            <div><b>Subject:</b> 1973 MGB Oil Changes</div>
            <div><br>
            </div>
            <div>
              <div id=3D"yiv7101588745">
                <div>
                  <div style=3D"font-family:garamond, new york, times, =
serif;font-size:16px;" class=3D"yiv7101588745yahoo-style-wrap">
                    <div dir=3D"ltr">I have a 1973 MGB.&nbsp; Other than =
drill
                      and tapping the oil cooler with a drain plug, how
                      can you easily drain out the quart or so of old
                      oil from the oil cooler during a oil change?</div>
                    <div dir=3D"ltr"><br>
                    </div>
                    <div dir=3D"ltr">Thanks</div>
                    <div dir=3D"ltr"><br>
                    </div>
                    <div dir=3D"ltr">Joel Martin</div>
                  </div>
                </div>
              </div>
            </div>
          </div>
        </div>
      </div>
      <br>
      <fieldset =
class=3D"yiv7101588745moz-mime-attachment-header"></fieldset>
      <pre =
class=3D"yiv7101588745moz-quote-pre">_____________________________________=
__________

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href=3D"http://www.team.net/donate.html" =
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ml</a>

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</pre>
    </blockquote>
  </div>

</div></div>_______________________________________________<br>Mgs =
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--Apple-Mail=_4A3A84A7-68B0-447B-A3BE-31DE37145893--

--===============1436572209916424950==
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[email-masked]

--===============1436572209916424950==--

---

From: Max Heim <[email-masked]>
Date: Wed, 21 Jan 2026 13:46:36 -0800

--===============2495176517834810471==
	boundary="Apple-Mail=_A365C177-6834-4DAF-983F-BAD4660E2201"

--Apple-Mail=_A365C177-6834-4DAF-983F-BAD4660E2201
Content-Transfer-Encoding: quoted-printable
	charset=utf-8

I might add that the thin aluminum shell of the cooler does not seem =
like it would be practical to =E2=80=9Ctap and thread=E2=80=9D, and you =
have no access to the inside for a nut. It seems likely it would just =
create a permanent leak.

--
Max Heim
'66 MGB

> On Jan 21, 2026, at 1:41=E2=80=AFPM, Max Heim <[email-masked]> =

--Apple-Mail=_A365C177-6834-4DAF-983F-BAD4660E2201
Content-Transfer-Encoding: quoted-printable
	charset=utf-8

<html><head><meta http-equiv=3D"content-type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"overflow-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;">I might add =
that the thin aluminum shell of the cooler does not seem like it would =
be practical to =E2=80=9Ctap and thread=E2=80=9D, and you have no access =
to the inside for a nut. It seems likely it would just create a =
permanent leak.<div><br></div><div><div>
--<br>Max Heim<br>'66 MGB

</div>

<div><br><blockquote type=3D"cite"><div>On Jan 21, 2026, at 1:41=E2=80=AFP=
M, Max Heim &lt;[email-masked]&gt; wrote:</div><br =
class=3D"Apple-interchange-newline"><div><meta http-equiv=3D"content-type"=
 content=3D"text/html; charset=3Dutf-8"><div style=3D"overflow-wrap: =
break-word; -webkit-nbsp-mode: space; line-break: =
after-white-space;">You would also have to drill a hole in the front =
apron, for the tap to go through. And it would have to be large enough =
for the whole tap unit and handle if you want to be able to move the =
cooler without removing the tap and draining it.<div><br></div><div>IMO, =
it is something that has not been a problem for the last 50-60 years, so =
I wouldn=E2=80=99t waste any time trying to solve it. The oil will get =
=E2=80=9Cdirty looking=E2=80=9D soon enough, anyway.</div><div><br =
id=3D"lineBreakAtBeginningOfMessage"><div>
--<br>Max Heim<br>'66 MGB

</div>

 =20
   =20
 =20

kquote></div><br></div></div></div></blockquote></div><br></div></body></h=
tml>=

--Apple-Mail=_A365C177-6834-4DAF-983F-BAD4660E2201--

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[email-masked]

--===============2495176517834810471==--

---

From: Douglas Shook <[email-masked]>
Date: Wed, 21 Jan 2026 13:53:47 -0800

--===============8866600736029936209==

--000000000000354c0f0648ecf6eb
Content-Transfer-Encoding: quoted-printable

Even without a cooler, there will always be some oil left in the engine in
the various nooks and crannies, adhered to the rough textures, etc., but it
is oil that ultimately will mix and virtually "disappear" in the volume of
new oil coming in. You are putting in all new fresh additives, etc., and
the bit of oil that remains simply is inconsequential.

On Wed, Jan 21, 2026 at 1:26=E2=80=AFPM Joel Martin <[email-masked]> =
wrote:

> Thanks for the reply.  It is just that the nice clean oil mixed with the
> old oil left in the oil cooler is no longer nice and clean.  Where the
> transmission oil still looks like it just came out of the bottle .  Tap t=
he
> oil cooler on the bottom looks like best bet.  Wonder why they are not ma=
de
> that way.
>
> Yahoo Mail: Search, Organize, Conquer
> <https://mail.onelink.me/107872968?pid=3Dnativeplacement&c=3DUS_Acquisiti=
on_YMktg_315_SearchOrgConquer_EmailSignature&af_sub1=3DAcquisition&af_sub2=
=3DUS_YMktg&af_sub3=3D&af_sub4=3D100002039&af_sub5=3DC01_Email_Static_&af_i=
os_store_cpp=3D0c38e4b0-a27e-40f9-a211-f4e2de32ab91&af_android_url=3Dhttps:=
//play.google.com/store/apps/details?id=3Dcom.yahoo.mobile.client.android.m=
ail&listing=3Dsearch_organize_conquer>
>     [email-masked]
>     [email-masked]
>
>     [email-masked]
> *From:* Joel Martin <[email-masked]>
> *To:* MG Digest <[email-masked]>
> *Sent:* Friday, January 16, 2026, 11:35:00 AM EST
> *Subject:* 1973 MGB Oil Changes
>
> I have a 1973 MGB.  Other than drill and tapping the oil cooler with a
> drain plug, how can you easily drain out the quart or so of old oil from
> Don't bother.  It's only a small amount and what is in there has been
> circulating through your engine all the time it has been running presumab=
ly
> not doing any harm.  With fresh oil in the crankcase you won't know it is
> there.
>
> The only exception might be if the oil has been contaminated in which cas=
e
> the best thing would be to remove it and the hoses and flush them.  You
> would have to do that with the engine anyway.
>
> PaulH.
> *From:* Joel Martin <[email-masked]> <[email-masked]>
> *To:* MG Digest <[email-masked]> <[email-masked]>
> *Sent:* Friday, January 16, 2026, 11:35:00 AM EST
> *Subject:* 1973 MGB Oil Changes
>
> I have a 1973 MGB.  Other than drill and tapping the oil cooler with a
> drain plug, how can you easily drain out the quart or so of old oil from
> Unsubscribe: http://autox.team.net/mailman/options/mgs/paulbhunt73@gmail.=
com
> Unsubscribe: http://autox.team.net/mailman/options/mgs/[email-masked]=
m

--000000000000354c0f0648ecf6eb
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-size:small">Eve=
n without a cooler, there will always be some oil left in the engine in the=
 various nooks and crannies, adhered to the rough textures, etc., but it is=
 oil that ultimately will mix and virtually &quot;disappear&quot; in the vo=
lume of new oil coming in. You are putting in all new fresh additives, etc.=
, and the bit of oil that remains simply is inconsequential.=C2=A0</div></d=
iv><br><div class=3D"gmail_quote gmail_quote_container"><div dir=3D"ltr" cl=
ass=3D"gmail_attr">On Wed, Jan 21, 2026 at 1:26=E2=80=AFPM Joel Martin &lt;=
<a href=3D"mailto:[email-masked]">[email-masked]</a>&gt; wrote:=
<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8=
ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Thanks for the =
reply.=C2=A0 It is just that the nice clean oil mixed with the old oil left=
 in the oil cooler is no longer nice and clean.=C2=A0 Where the transmissio=
n oil still looks like it just came out of the bottle .=C2=A0 Tap the oil c=
ooler on the bottom looks like best bet.=C2=A0 Wonder why they are not made=
 that way.<br><br><div id=3D"m_-4707516242066302457ymail_android_signature"=
><a id=3D"m_-4707516242066302457ymail_android_signature_link" href=3D"https=
://mail.onelink.me/107872968?pid=3Dnativeplacement&amp;c=3DUS_Acquisition_Y=
Mktg_315_SearchOrgConquer_EmailSignature&amp;af_sub1=3DAcquisition&amp;af_s=
ub2=3DUS_YMktg&amp;af_sub3=3D&amp;af_sub4=3D100002039&amp;af_sub5=3DC01_Ema=
il_Static_&amp;af_ios_store_cpp=3D0c38e4b0-a27e-40f9-a211-f4e2de32ab91&amp;=
af_android_url=3Dhttps://play.google.com/store/apps/details?id=3Dcom.yahoo.=
mobile.client.android.mail&amp;listing=3Dsearch_organize_conquer" target=3D=
"_blank">Yahoo Mail: Search, Organize, Conquer</a></div> <br> <blockquote s=
tyle=3D"margin:0px 0px 20px"> <div style=3D"font-family:Roboto,sans-serif;c=
olor:rgb(109,0,246)"> <div>On Wed, Jan 21, 2026 at 2:06 PM, <a href=3D"mail=
to:[email-masked]" target=3D"_blank">[email-masked]=
</a></div><div>&lt;<a href=3D"mailto:[email-masked]" target=3D"=
_blank">[email-masked]</a>&gt; wrote:</div> </div> <div style=
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(109,0,246)"> <div dir=3D"ltr">Send Mgs mailing list submissions to<br></di=
v><div dir=3D"ltr">=C2=A0=C2=A0=C2=A0 <a href=3D"mailto:[email-masked]"=
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w.team.net/forums" target=3D"_blank">http://www.team.net/forums</a><br><br>=
Today&#39;s Topics:<br><br>=C2=A0  1. Fw: 1973 MGB Oil Changes (Joel Martin=
)<br>=C2=A0  2. Re: Fw: 1973 MGB Oil Changes (Paul Hunt)<br><div id=3D"m_-4=
707516242066302457ymsg78931"><div id=3D"m_-4707516242066302457yiv7101588745=
"><div><div style=3D"font-family:&quot;Helvetica Neue&quot;,Helvetica,Arial=
,sans-serif;font-size:16px"><div></div>
        <div><br></div><div><br></div>
       =20
        <div id=3D"m_-4707516242066302457yiv7101588745yahoo_quoted_95675713=
15">
            <div style=3D"font-family:&quot;Helvetica Neue&quot;,Helvetica,=
Arial,sans-serif;font-size:13px;color:rgb(38,40,42)">
                <div>----- Forwarded Message -----</div>
                <div><b>From:</b> Joel Martin &lt;<a href=3D"mailto:jmartin=
[email-masked]" target=3D"_blank">[email-masked]</a>&gt;</div><div><b>=
To:</b> MG Digest &lt;<a href=3D"mailto:[email-masked]" target=
=3D"_blank">[email-masked]</a>&gt;</div><div><b>Sent:</b> Frida=
y, January 16, 2026, 11:35:00 AM EST</div><div><b>Subject:</b> 1973 MGB Oil=
 Changes</div><div><br></div>
               =20
               =20
                <div><div id=3D"m_-4707516242066302457yiv7101588745"><div><=
div style=3D"font-family:garamond,&quot;new york&quot;,times,serif;font-siz=
e:16px"><div dir=3D"ltr">I have a 1973 MGB.=C2=A0 Other than drill and tapp=
ing the oil cooler with a drain plug, how can you easily drain out the quar=
t or so of old oil from the oil cooler during a oil change?</div><div dir=
=3D"ltr"><br></div><div dir=3D"ltr">Thanks</div><div dir=3D"ltr"><br></div>=
<div dir=3D"ltr">Joel Martin</div></div></div></div></div>
            </div>
        </div></div></div></div></div><div id=3D"m_-4707516242066302457ymsg=
05241"><div id=3D"m_-4707516242066302457yiv7101588745">

 =20
   =20
 =20
  <div>
    <p>Don&#39;t bother.=C2=A0 It&#39;s only a small amount and what is in =
there has
      been circulating through your engine all the time it has been
      running presumably not doing any harm.=C2=A0 With fresh oil in the
      crankcase you won&#39;t know it is there.=C2=A0=C2=A0</p>
    <p>The only exception might be if the oil has been contaminated in
      which case the best thing would be to remove it and the hoses and
      flush them.=C2=A0 You would have to do that with the engine anyway.</=
p>
    <p>PaulH.<br>
    </p>
    <div>On 21/01/2026 00:01, Joel Martin wrote:<br>
    </div>
    <blockquote type=3D"cite">
     =20
      <div style=3D"font-family:&quot;Helvetica Neue&quot;,Helvetica,Arial,=
sans-serif;font-size:16px">
        <div><br>
        </div>
        <div><br>
        </div>
        <div id=3D"m_-4707516242066302457yiv7101588745yahoo_quoted_95675713=
15">
          <div style=3D"font-family:&quot;Helvetica Neue&quot;,Helvetica,Ar=
ial,sans-serif;font-size:13px;color:rgb(38,40,42)">
            <div>----- Forwarded Message -----</div>
            <div><b>From:</b> Joel Martin <a rel=3D"nofollow noopener noref=
errer" href=3D"mailto:[email-masked]" target=3D"_blank">&lt;jmartinii=
[email-masked]&gt;</a></div>
            <div><b>To:</b> MG Digest <a rel=3D"nofollow noopener noreferre=
r" href=3D"mailto:[email-masked]" target=3D"_blank">&lt;mgs-req=
[email-masked]&gt;</a></div>
            <div><b>Sent:</b> Friday, January 16, 2026, 11:35:00 AM EST</di=
v>
            <div><b>Subject:</b> 1973 MGB Oil Changes</div>
            <div><br>
            </div>
            <div>
              <div id=3D"m_-4707516242066302457yiv7101588745">
                <div>
                  <div style=3D"font-family:garamond,&quot;new york&quot;,t=
imes,serif;font-size:16px">
                    <div dir=3D"ltr">I have a 1973 MGB.=C2=A0 Other than dr=
ill
                      and tapping the oil cooler with a drain plug, how
                      can you easily drain out the quart or so of old
                      oil from the oil cooler during a oil change?</div>
                    <div dir=3D"ltr"><br>
                    </div>
                    <div dir=3D"ltr">Thanks</div>
                    <div dir=3D"ltr"><br>
                    </div>
                    <div dir=3D"ltr">Joel Martin</div>
                  </div>
                </div>
              </div>
            </div>
          </div>
        </div>
      </div>
      <br>
      <fieldset></fieldset>
      <pre>_______________________________________________

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</pre>
    </blockquote>
  </div>

</div></div>_______________________________________________<br>Mgs mailing =
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From: Paul Hunt <[email-masked]>
Date: Thu, 22 Jan 2026 08:56:33 +0000

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They were never tapped for a drain plug because they don't need it.  
Unlike rad and fuel tank which were originally then deleted to save money.

Hot draining should clear more muck then cold.  My roadster (leaving 
what's in the cooler, hoses etc.) starts off clean but then gradually 
gets browner,  I've seen them classed as a 'dirty' engine.  If you have 
blow-by it'll probably be worse.  My V8 came out pretty clean but then I 
used to treat it to an engine flush every other change putting it in a 
hot engine and running it for a few minutes before draining when it came 
out black.  You could try a flush, but then that can dislodge old muck 
which circulates and causes other problems.

Just do regular oil and filter changes, using good quality products, and 
enjoy driving it.

PaulH.

On 21/01/2026 21:23, Joel Martin wrote:
> Thanks for the reply.  It is just that the nice clean oil mixed with 
> the old oil left in the oil cooler is no longer nice and clean.  Where 
> the transmission oil still looks like it just came out of the bottle 
> .  Tap the oil cooler on the bottom looks like best bet.  Wonder why 
> <https://mail.onelink.me/107872968?pid=nativeplacement&c=US_Acquisition_YMktg_315_SearchOrgConquer_EmailSignature&af_sub1=Acquisition&af_sub2=US_YMktg&af_sub3=&af_sub4=100002039&af_sub5=C01_Email_Static_&af_ios_store_cpp=0c38e4b0-a27e-40f9-a211-f4e2de32ab91&af_android_url=https://play.google.com/store/apps/details?id=com.yahoo.mobile.client.android.mail&listing=search_organize_conquer>
>
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  <body>
    <p>They were never tapped for a drain plug because they don't need
      it.  Unlike rad and fuel tank which were originally then deleted
      to save money.<br>
    </p>
    <p>Hot draining should clear more muck then cold.  My roadster
      (leaving what's in the cooler, hoses etc.) starts off clean but
      then gradually gets browner,  I've seen them classed as a 'dirty'
      engine.  If you have blow-by it'll probably be worse.  My V8 came
      out pretty clean but then I used to treat it to an engine flush
      every other change putting it in a hot engine and running it for a
      few minutes before draining when it came out black.  You could try
      a flush, but then that can dislodge old muck which circulates and
      causes other problems.</p>
    <p>Just do regular oil and filter changes, using good quality
      products, and enjoy driving it.</p>
    <p>PaulH.<br>
    </p>
    <div class="moz-cite-prefix">On 21/01/2026 21:23, Joel Martin wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:[email-masked]">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      Thanks for the reply.  It is just that the nice clean oil mixed
      with the old oil left in the oil cooler is no longer nice and
      clean.  Where the transmission oil still looks like it just came
      out of the bottle .  Tap the oil cooler on the bottom looks like
      best bet.  Wonder why they are not made that way.<br>
      <br>
      <div id="ymail_android_signature"><a
          id="ymail_android_signature_link"
href="https://mail.onelink.me/107872968?pid=nativeplacement&amp;c=US_Acquisition_YMktg_315_SearchOrgConquer_EmailSignature&amp;af_sub1=Acquisition&amp;af_sub2=US_YMktg&amp;af_sub3=&amp;af_sub4=100002039&amp;af_sub5=C01_Email_Static_&amp;af_ios_store_cpp=0c38e4b0-a27e-40f9-a211-f4e2de32ab91&amp;af_android_url=https://play.google.com/store/apps/details?id=com.yahoo.mobile.client.android.mail&amp;listing=search_organize_conquer"
          moz-do-not-send="true">Yahoo Mail: Search, Organize, Conquer</a></div>
      <br>
    </blockquote>
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[email-masked]

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