<div dir="ltr"><div class="gmail_default" style="font-size:large">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. </div><div class="gmail_default" style="font-size:large"><br></div><div class="gmail_default" style="font-size:large">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. </div><div class="gmail_default" style="font-size:large"><br></div><div class="gmail_default" style="font-size:large">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. </div><div class="gmail_default" style="font-size:large"><br></div><div class="gmail_default" style="font-size:large">EjR </div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Wed, Jan 21, 2026 at 2:07 PM <<a href="mailto:mgs-request@autox.team.net">mgs-request@autox.team.net</a>> 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">Send Mgs mailing list submissions to<br>
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Today's Topics:<br>
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1. Fw: 1973 MGB Oil Changes (Joel Martin)<br>
2. Re: Fw: 1973 MGB Oil Changes (Paul Hunt)<br>
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Message: 1<br>
Date: Wed, 21 Jan 2026 00:01:50 +0000 (UTC)<br>
From: Joel Martin <<a href="mailto:jmartiniii@yahoo.com" target="_blank">jmartiniii@yahoo.com</a>><br>
To: "MG Post on <a href="http://autox.team.net" rel="noreferrer" target="_blank">autox.team.net</a>" <<a href="mailto:mgs@autox.team.net" target="_blank">mgs@autox.team.net</a>><br>
Subject: [Mgs] Fw: 1973 MGB Oil Changes<br>
Message-ID: <<a href="mailto:52234406.1465199.1768953710012@mail.yahoo.com" target="_blank">52234406.1465199.1768953710012@mail.yahoo.com</a>><br>
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----- Forwarded Message ----- From: Joel Martin <<a href="mailto:jmartiniii@yahoo.com" target="_blank">jmartiniii@yahoo.com</a>>To: MG Digest <<a href="mailto:mgs-request@autox.team.net" target="_blank">mgs-request@autox.team.net</a>>Sent: Friday, January 16, 2026, 11:35:00 AM ESTSubject: 1973 MGB Oil Changes<br>
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?<br>
Thanks<br>
Joel Martin <br>
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Message: 2<br>
Date: Wed, 21 Jan 2026 08:52:39 +0000<br>
From: Paul Hunt <<a href="mailto:paulbhunt73@gmail.com" target="_blank">paulbhunt73@gmail.com</a>><br>
To: <a href="mailto:mgs@autox.team.net" target="_blank">mgs@autox.team.net</a><br>
Subject: Re: [Mgs] Fw: 1973 MGB Oil Changes<br>
Message-ID: <<a href="mailto:4b6f8c96-8c38-4459-8f4b-32fe626f8f43@gmail.com" target="_blank">4b6f8c96-8c38-4459-8f4b-32fe626f8f43@gmail.com</a>><br>
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Don't bother.? It's only a small amount and what is in there has been <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'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.? <br>
You would have to do that with the engine anyway.<br>
<br>
PaulH.<br>
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On 21/01/2026 00:01, Joel Martin wrote:<br>
><br>
><br>
> ----- Forwarded Message -----<br>
> *From:* Joel Martin <<a href="mailto:jmartiniii@yahoo.com" target="_blank">jmartiniii@yahoo.com</a>><br>
> *To:* MG Digest <<a href="mailto:mgs-request@autox.team.net" target="_blank">mgs-request@autox.team.net</a>><br>
> *Sent:* Friday, January 16, 2026, 11:35:00 AM EST<br>
> *Subject:* 1973 MGB Oil Changes<br>
><br>
> I have a 1973 MGB.? Other than drill and tapping the oil cooler with a <br>
> drain plug, how can you easily drain out the quart or so of old oil <br>
> from the oil cooler during a oil change?<br>
><br>
> Thanks<br>
><br>
> Joel Martin<br>
><br>
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