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

From: Eric Russell <[email-masked]>
Date: Wed, 21 Jan 2026 14:22:08 -0500

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For a regularly driven MG, just change the oil & filter. Yes, there will be
a small quantity in the oil cooler (I suspect less than a quart but I
haven't measured it) but with regular oil changes it'll be fine.

If there has been a catastrophic event (blown engine) don't bother trying
to flush out the oil cooler - just install a new one with the new/rebuilt
engine.

If one is resurrecting a long dormant engine you might try using a rubber
tip blow gun to remove as much old oil as possible. Or just plan to do an
early oil change.

EjR

On Wed, Jan 21, 2026 at 2:07=E2=80=AFPM <[email-masked]> wrote:

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> Today's Topics:
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>    1. Fw: 1973 MGB Oil Changes (Joel Martin)
>    2. Re: Fw: 1973 MGB Oil Changes (Paul Hunt)
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> ----------------------------------------------------------------------
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> Message: 1
> Date: Wed, 21 Jan 2026 00:01:50 +0000 (UTC)
> From: Joel Martin <[email-masked]>
> To: "MG Post on autox.team.net" <[email-masked]>
> Subject: [Mgs] Fw: 1973 MGB Oil Changes
> Message-ID: <[email-masked]>
> Content-Type: text/plain; charset=3D"utf-8"
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>
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>    ----- 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.? 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
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> Message: 2
> Date: Wed, 21 Jan 2026 08:52:39 +0000
> From: Paul Hunt <[email-masked]>
> To: [email-masked]
> Subject: Re: [Mgs] Fw: 1973 MGB Oil Changes
> Message-ID: <[email-masked]>
> Content-Type: text/plain; charset=3D"utf-8"; Format=3D"flowed"
>
> 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.
>
> 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.
>
> PaulH.
>
> On 21/01/2026 00:01, Joel Martin wrote:
> >
> >
> > ----- 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
> >
> > 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?
> >
> > Thanks
> >
> > Joel Martin
> >
> > _______________________________________________
> >
> > [email-masked]
> > Donate:http://www.team.net/donate.html
> > Suggested annual donation  $12.75
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e
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> End of Mgs Digest, Vol 221, Issue 1
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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-size:large">For=
 a regularly=C2=A0driven MG, just change the oil &amp; filter. Yes, there w=
ill be a small quantity in the oil cooler (I suspect less than a quart but =
I haven&#39;t measured it) but with regular oil changes it&#39;ll be fine.=
=C2=A0</div><div class=3D"gmail_default" style=3D"font-size:large"><br></di=
v><div class=3D"gmail_default" style=3D"font-size:large">If there has been =
a catastrophic event (blown engine) don&#39;t bother trying to flush out th=
e oil cooler - just install a new one with the new/rebuilt engine.=C2=A0</d=
iv><div class=3D"gmail_default" style=3D"font-size:large"><br></div><div cl=
ass=3D"gmail_default" style=3D"font-size:large">If one is resurrecting a lo=
ng dormant engine you might try=C2=A0using a rubber tip blow gun to remove =
as much old oil as possible. Or just plan to do an early oil change.=C2=A0<=
/div><div class=3D"gmail_default" style=3D"font-size:large"><br></div><div =
class=3D"gmail_default" style=3D"font-size:large">EjR=C2=A0</div></div><br>=
<div class=3D"gmail_quote gmail_quote_container"><div dir=3D"ltr" class=3D"=
gmail_attr">On Wed, Jan 21, 2026 at 2:07=E2=80=AFPM &lt;<a href=3D"mailto:m=
[email-masked]">[email-masked]</a>&gt; wrote:<br></d=
iv><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;bord=
er-left:1px solid rgb(204,204,204);padding-left:1ex">Send Mgs mailing list =
submissions to<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 <a href=3D"mailto:[email-masked]" target=3D=
"_blank">[email-masked]</a><br>
<br>
To subscribe or unsubscribe via the World Wide Web, visit<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 <a href=3D"http://autox.team.net/mailman/listin=
fo/mgs" rel=3D"noreferrer" target=3D"_blank">http://autox.team.net/mailman/=
listinfo/mgs</a><br>
or, via email, send a message with subject or body &#39;help&#39; to<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 <a href=3D"mailto:[email-masked]" t=
arget=3D"_blank">[email-masked]</a><br>
<br>
You can reach the person managing the list at<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 <a href=3D"mailto:[email-masked]" tar=
get=3D"_blank">[email-masked]</a><br>
<br>
When replying, please edit your Subject line so it is more specific<br>
than &quot;Re: Contents of Mgs digest...&quot;<br>
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et=3D"_blank">http://www.team.net/donate.html</a><br>
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Today&#39;s Topics:<br>
<br>
=C2=A0 =C2=A01. Fw: 1973 MGB Oil Changes (Joel Martin)<br>
=C2=A0 =C2=A02. Re: Fw: 1973 MGB Oil Changes (Paul Hunt)<br>
<br>
<br>
----------------------------------------------------------------------<br>
<br>
Message: 1<br>
Date: Wed, 21 Jan 2026 00:01:50 +0000 (UTC)<br>
From: Joel Martin &lt;<a href=3D"mailto:[email-masked]" target=3D"_bl=
ank">[email-masked]</a>&gt;<br>
To: &quot;MG Post on <a href=3D"http://autox.team.net" rel=3D"noreferrer" t=
arget=3D"_blank">autox.team.net</a>&quot; &lt;<a href=3D"mailto:[email-masked]=
eam.net" target=3D"_blank">[email-masked]</a>&gt;<br>
Subject: [Mgs] Fw: 1973 MGB Oil Changes<br>
.com" target=3D"_blank">[email-masked]</a>&g=
t;<br>
<br>
<br>
<br>
=C2=A0 =C2=A0----- Forwarded Message ----- From: Joel Martin &lt;<a href=3D=
"mailto:[email-masked]" target=3D"_blank">[email-masked]</a>&gt=
;To: MG Digest &lt;<a href=3D"mailto:[email-masked]" target=3D"=
_blank">[email-masked]</a>&gt;Sent: Friday, January 16, 2026, 1=
1:35:00 AM ESTSubject: 1973 MGB Oil Changes<br>
=C2=A0I 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?<br>
Thanks<br>
Joel Martin=C2=A0 <br>
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Message: 2<br>
Date: Wed, 21 Jan 2026 08:52:39 +0000<br>
From: Paul Hunt &lt;<a href=3D"mailto:[email-masked]" target=3D"_bla=
nk">[email-masked]</a>&gt;<br>
To: <a href=3D"mailto:[email-masked]" target=3D"_blank">[email-masked].=
net</a><br>
Subject: Re: [Mgs] Fw: 1973 MGB Oil Changes<br>
l.com" target=3D"_blank">[email-masked]</a>=
&gt;<br>
d&quot;<br>
<br>
Don&#39;t bother.? It&#39;s only a small amount and what is in there has be=
en <br>
circulating through your engine all the time it has been running <br>
presumably not doing any harm.? With fresh oil in the crankcase you <br>
won&#39;t know it is there.<br>
<br>
The only exception might be if the oil has been contaminated in which <br>
case the best thing would be to remove it and the hoses and flush them.? <b=
r>
You would have to do that with the engine anyway.<br>
<br>
PaulH.<br>
<br>
On 21/01/2026 00:01, Joel Martin wrote:<br>
&gt;<br>
&gt;<br>
&gt; ----- Forwarded Message -----<br>
&gt; *From:* Joel Martin &lt;<a href=3D"mailto:[email-masked]" target=
=3D"_blank">[email-masked]</a>&gt;<br>
&gt; *To:* MG Digest &lt;<a href=3D"mailto:[email-masked]" targ=
et=3D"_blank">[email-masked]</a>&gt;<br>
&gt; *Sent:* Friday, January 16, 2026, 11:35:00 AM EST<br>
&gt; *Subject:* 1973 MGB Oil Changes<br>
&gt;<br>
&gt; I have a 1973 MGB.? Other than drill and tapping the oil cooler with a=
 <br>
&gt; drain plug, how can you easily drain out the quart or so of old oil <b=
r>
&gt; from the oil cooler during a oil change?<br>
&gt;<br>
&gt; Thanks<br>
&gt;<br>
&gt; Joel Martin<br>
&gt;<br>
&gt; _______________________________________________<br>
&gt;<br>
&gt; <a href=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]=
.net</a><br>
&gt; Donate:<a href=3D"http://www.team.net/donate.html" rel=3D"noreferrer" =
target=3D"_blank">http://www.team.net/donate.html</a><br>
&gt; Suggested annual donation=C2=A0 $12.75<br>
&gt;<br>
&gt; Archive:<a href=3D"http://www.team.net/pipermail/mgs" rel=3D"noreferre=
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