From jmartiniii at yahoo.com  Tue Jan 20 17:01:50 2026
From: jmartiniii at yahoo.com (Joel Martin)
Date: Wed, 21 Jan 2026 00:01:50 +0000 (UTC)
Subject: [Mgs] Fw: 1973 MGB Oil Changes
In-Reply-To: <912008015.650620.1768581300390@mail.yahoo.com>
References: <912008015.650620.1768581300390.ref@mail.yahoo.com>
 <912008015.650620.1768581300390@mail.yahoo.com>
Message-ID: <52234406.1465199.1768953710012@mail.yahoo.com>

 

   ----- Forwarded Message ----- From: Joel Martin <jmartiniii at yahoo.com>To: MG Digest <mgs-request at autox.team.net>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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From paulbhunt73 at gmail.com  Wed Jan 21 01:52:39 2026
From: paulbhunt73 at gmail.com (Paul Hunt)
Date: Wed, 21 Jan 2026 08:52:39 +0000
Subject: [Mgs] Fw: 1973 MGB Oil Changes
In-Reply-To: <52234406.1465199.1768953710012@mail.yahoo.com>
References: <912008015.650620.1768581300390.ref@mail.yahoo.com>
 <912008015.650620.1768581300390@mail.yahoo.com>
 <52234406.1465199.1768953710012@mail.yahoo.com>
Message-ID: <4b6f8c96-8c38-4459-8f4b-32fe626f8f43@gmail.com>

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 <jmartiniii at yahoo.com>
> *To:* MG Digest <mgs-request at autox.team.net>
> *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
>
> _______________________________________________
>
> Mgs at autox.team.net
> Donate:http://www.team.net/donate.html
> Suggested annual donation  $12.75
>
> Archive:http://www.team.net/pipermail/mgs  http://autox.team.net/archive
>
> Unsubscribe:http://autox.team.net/mailman/options/mgs/paulbhunt73 at gmail.com
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From ejrussell61 at gmail.com  Wed Jan 21 12:22:08 2026
From: ejrussell61 at gmail.com (Eric Russell)
Date: Wed, 21 Jan 2026 14:22:08 -0500
Subject: [Mgs] Mgs Digest, Vol 221, Issue 1
In-Reply-To: <mailman.3.1769022001.4376.mgs@autox.team.net>
References: <mailman.3.1769022001.4376.mgs@autox.team.net>
Message-ID: <CAP7dBXDiZHr3cVXYVZ3r84D-P5U-shnpjG17ejg=JOqP-SR-Qw@mail.gmail.com>

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?PM <mgs-request at autox.team.net> wrote:

> Send Mgs mailing list submissions to
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> Today's Topics:
>
>    1. Fw: 1973 MGB Oil Changes (Joel Martin)
>    2. Re: Fw: 1973 MGB Oil Changes (Paul Hunt)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 21 Jan 2026 00:01:50 +0000 (UTC)
> From: Joel Martin <jmartiniii at yahoo.com>
> To: "MG Post on autox.team.net" <mgs at autox.team.net>
> Subject: [Mgs] Fw: 1973 MGB Oil Changes
> Message-ID: <52234406.1465199.1768953710012 at mail.yahoo.com>
> Content-Type: text/plain; charset="utf-8"
>
>
>
>    ----- Forwarded Message ----- From: Joel Martin <jmartiniii at yahoo.com>To:
> MG Digest <mgs-request at autox.team.net>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 <paulbhunt73 at gmail.com>
> To: mgs at autox.team.net
> Subject: Re: [Mgs] Fw: 1973 MGB Oil Changes
> Message-ID: <4b6f8c96-8c38-4459-8f4b-32fe626f8f43 at gmail.com>
> Content-Type: text/plain; charset="utf-8"; Format="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 <jmartiniii at yahoo.com>
> > *To:* MG Digest <mgs-request at autox.team.net>
> > *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
> >
> > _______________________________________________
> >
> > Mgs at autox.team.net
> > Donate:http://www.team.net/donate.html
> > Suggested annual donation  $12.75
> >
> > Archive:http://www.team.net/pipermail/mgs  http://autox.team.net/archive
> >
> > Unsubscribe:
> http://autox.team.net/mailman/options/mgs/paulbhunt73 at gmail.com
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From jmartiniii at yahoo.com  Wed Jan 21 14:23:29 2026
From: jmartiniii at yahoo.com (Joel Martin)
Date: Wed, 21 Jan 2026 21:23:29 +0000 (UTC)
Subject: [Mgs] Mgs Digest, Vol 221, Issue 1
In-Reply-To: <mailman.2.1769022001.4376.mgs@autox.team.net>
References: <mailman.2.1769022001.4376.mgs@autox.team.net>
Message-ID: <811909686.1685449.1769030609290@mail.yahoo.com>

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.

Yahoo Mail: Search, Organize, Conquer 
 
  On Wed, Jan 21, 2026 at 2:06 PM, mgs-request at autox.team.net<mgs-request at autox.team.net> wrote:   Send Mgs mailing list submissions to
??? mgs at autox.team.net

To subscribe or unsubscribe via the World Wide Web, visit
??? http://autox.team.net/mailman/listinfo/mgs
or, via email, send a message with subject or body 'help' to
??? mgs-request at autox.team.net

You can reach the person managing the list at
??? mgs-owner at autox.team.net

When replying, please edit your Subject line so it is more specific
than "Re: Contents of Mgs digest..."
Donate: http://www.team.net/donate.html
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Today's Topics:

? 1. Fw: 1973 MGB Oil Changes (Joel Martin)
? 2. Re: Fw: 1973 MGB Oil Changes (Paul Hunt)
 

   ----- Forwarded Message ----- From: Joel Martin <jmartiniii at yahoo.com>To: MG Digest <mgs-request at autox.team.net>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    
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 <jmartiniii at yahoo.com> To: MG Digest <mgs-request at autox.team.net> 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        
  _______________________________________________

Mgs at autox.team.net
Donate: http://www.team.net/donate.html
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Archive: http://www.team.net/pipermail/mgs http://autox.team.net/archive

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From mvheim at sonic.net  Wed Jan 21 14:41:17 2026
From: mvheim at sonic.net (Max Heim)
Date: Wed, 21 Jan 2026 13:41:17 -0800
Subject: [Mgs] Mgs Digest, Vol 221, Issue 1
In-Reply-To: <811909686.1685449.1769030609290@mail.yahoo.com>
References: <mailman.2.1769022001.4376.mgs@autox.team.net>
 <811909686.1685449.1769030609290@mail.yahoo.com>
Message-ID: <E1997A35-7506-491E-810D-DC346DDCABDE@sonic.net>

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?t waste any time trying to solve it. The oil will get ?dirty looking? soon enough, anyway.

--
Max Heim
'66 MGB

> On Jan 21, 2026, at 1:23?PM, Joel Martin <jmartiniii at yahoo.com> 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 they are not made that way.
> 
> Yahoo Mail: Search, Organize, Conquer <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>
> On Wed, Jan 21, 2026 at 2:06 PM, mgs-request at autox.team.net
> <mgs-request at autox.team.net> wrote:
> Send Mgs mailing list submissions to
>     mgs at autox.team.net <mailto:mgs at autox.team.net>
> 
> To subscribe or unsubscribe via the World Wide Web, visit
>     http://autox.team.net/mailman/listinfo/mgs
> or, via email, send a message with subject or body 'help' to
>     mgs-request at autox.team.net <mailto:mgs-request at autox.team.net>
> 
> You can reach the person managing the list at
>     mgs-owner at autox.team.net <mailto:mgs-owner at autox.team.net>
> 
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of Mgs digest..."
> Donate: http://www.team.net/donate.html
> Suggested annual donation  $12.75
> Archive: http://www.team.net/archive
> Forums: http://www.team.net/forums
> 
> Today's Topics:
> 
>   1. Fw: 1973 MGB Oil Changes (Joel Martin)
>   2. Re: Fw: 1973 MGB Oil Changes (Paul Hunt)
> 
> 
> ----- Forwarded Message -----
> From: Joel Martin <jmartiniii at yahoo.com>
> To: MG Digest <mgs-request at autox.team.net>
> 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
> 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 <jmartiniii at yahoo.com> <mailto:jmartiniii at yahoo.com>
>> To: MG Digest <mgs-request at autox.team.net> <mailto:mgs-request at autox.team.net>
>> 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
>> 
>> 
>> _______________________________________________
>> 
>> Mgs at autox.team.net <mailto:Mgs at autox.team.net>
>> Donate: http://www.team.net/donate.html
>> Suggested annual donation  $12.75
>> 
>> Archive: http://www.team.net/pipermail/mgs http://autox.team.net/archive
>> 
>> Unsubscribe: http://autox.team.net/mailman/options/mgs/paulbhunt73 at gmail.com
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From mvheim at sonic.net  Wed Jan 21 14:46:36 2026
From: mvheim at sonic.net (Max Heim)
Date: Wed, 21 Jan 2026 13:46:36 -0800
Subject: [Mgs] Mgs Digest, Vol 221, Issue 1
In-Reply-To: <E1997A35-7506-491E-810D-DC346DDCABDE@sonic.net>
References: <mailman.2.1769022001.4376.mgs@autox.team.net>
 <811909686.1685449.1769030609290@mail.yahoo.com>
 <E1997A35-7506-491E-810D-DC346DDCABDE@sonic.net>
Message-ID: <D5CE1DBA-0D02-4073-8D00-36C2BD9F2C30@sonic.net>

I might add that the thin aluminum shell of the cooler does not seem like it would be practical to ?tap and thread?, 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?PM, Max Heim <mvheim at sonic.net> wrote:
> 
> 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?t waste any time trying to solve it. The oil will get ?dirty looking? soon enough, anyway.
> 
> --
> Max Heim
> '66 MGB
> 
>> On Jan 21, 2026, at 1:23?PM, Joel Martin <jmartiniii at yahoo.com> 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 they are not made that way.
>> 
>> Yahoo Mail: Search, Organize, Conquer <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>
>> On Wed, Jan 21, 2026 at 2:06 PM, mgs-request at autox.team.net
>> <mgs-request at autox.team.net> wrote:
>> Send Mgs mailing list submissions to
>>     mgs at autox.team.net <mailto:mgs at autox.team.net>
>> 
>> To subscribe or unsubscribe via the World Wide Web, visit
>>     http://autox.team.net/mailman/listinfo/mgs
>> or, via email, send a message with subject or body 'help' to
>>     mgs-request at autox.team.net <mailto:mgs-request at autox.team.net>
>> 
>> You can reach the person managing the list at
>>     mgs-owner at autox.team.net <mailto:mgs-owner at autox.team.net>
>> 
>> When replying, please edit your Subject line so it is more specific
>> than "Re: Contents of Mgs digest..."
>> Donate: http://www.team.net/donate.html
>> Suggested annual donation  $12.75
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>> Forums: http://www.team.net/forums
>> 
>> Today's Topics:
>> 
>>   1. Fw: 1973 MGB Oil Changes (Joel Martin)
>>   2. Re: Fw: 1973 MGB Oil Changes (Paul Hunt)
>> 
>> 
>> ----- Forwarded Message -----
>> From: Joel Martin <jmartiniii at yahoo.com>
>> To: MG Digest <mgs-request at autox.team.net>
>> 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
>> 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 <jmartiniii at yahoo.com> <mailto:jmartiniii at yahoo.com>
>>> To: MG Digest <mgs-request at autox.team.net> <mailto:mgs-request at autox.team.net>
>>> 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
>>> 
>>> 
>>> _______________________________________________
>>> 
>>> Mgs at autox.team.net <mailto:Mgs at autox.team.net>
>>> Donate: http://www.team.net/donate.html
>>> Suggested annual donation  $12.75
>>> 
>>> Archive: http://www.team.net/pipermail/mgs http://autox.team.net/archive
>>> 
>>> Unsubscribe: http://autox.team.net/mailman/options/mgs/paulbhunt73 at gmail.com
>> _______________________________________________
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>> 
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> 

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From dirtbeard at gmail.com  Wed Jan 21 14:53:47 2026
From: dirtbeard at gmail.com (Douglas Shook)
Date: Wed, 21 Jan 2026 13:53:47 -0800
Subject: [Mgs] Mgs Digest, Vol 221, Issue 1
In-Reply-To: <811909686.1685449.1769030609290@mail.yahoo.com>
References: <mailman.2.1769022001.4376.mgs@autox.team.net>
 <811909686.1685449.1769030609290@mail.yahoo.com>
Message-ID: <CAG1pxgY2yxS4eUR+ZHD9grjC47JDW_F-LL52wEkOxjM_8riF=g@mail.gmail.com>

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?PM Joel Martin <jmartiniii at yahoo.com> 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 they are not made
> that way.
>
> Yahoo Mail: Search, Organize, Conquer
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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)
>
>
> ----- Forwarded Message -----
> *From:* Joel Martin <jmartiniii at yahoo.com>
> *To:* MG Digest <mgs-request at autox.team.net>
> *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
>
> 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 <jmartiniii at yahoo.com> <jmartiniii at yahoo.com>
> *To:* MG Digest <mgs-request at autox.team.net> <mgs-request at autox.team.net>
> *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
>
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From allen.k.hess at gmail.com  Wed Jan 21 14:57:29 2026
From: allen.k.hess at gmail.com (Allen Hess)
Date: Wed, 21 Jan 2026 16:57:29 -0500
Subject: [Mgs] Fw: 1973 MGB Oil Changes
Message-ID: <07EEEB4B-AFE1-416B-AA0C-957B704B77F4@gmail.com>

I unbolt the oil cooler from the body and hang it from the hood latch while the rest of it drains. 

----- Forwarded Message -----
From: Joel Martin <jmartiniii at yahoo.com>
To: MG Digest <mgs-request at autox.team.net>
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

From paulbhunt73 at gmail.com  Thu Jan 22 01:56:33 2026
From: paulbhunt73 at gmail.com (Paul Hunt)
Date: Thu, 22 Jan 2026 08:56:33 +0000
Subject: [Mgs] 1973 MGB Oil Changes
In-Reply-To: <811909686.1685449.1769030609290@mail.yahoo.com>
References: <mailman.2.1769022001.4376.mgs@autox.team.net>
 <811909686.1685449.1769030609290@mail.yahoo.com>
Message-ID: <5a948574-9acc-4ffb-b3e9-499ef26ddfbc@gmail.com>

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 
> they are not made that way.
>
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