<div style="color:black;font: 10pt Arial, Helvetica, sans-serif;">Block casting numbers can be tied to the engine number on each block. This assumes the tag is still in place.   
<div>Those engine numbers (29D through F and  K) are somewhat dateable and will give at least the model the block was used in. </div>

<div>Perry<br>
<br>

<div style="font-family:arial,helvetica;font-size:10pt;color:black"><font size="2">-----Original Message-----<br>
From: Peter Dzwig <pdzwig@summaventures.com><br>
To: 'healeys' <healeys@autox.team.net><br>
Sent: Tue, Dec 14, 2021 6:33 pm<br>
Subject: Re: [Healeys] Mystery casting number on Austin 6 cylinder engine - Reprise<br>
<br>

<div dir="ltr">All,<br clear="none"><br clear="none">Just to take it one step further I contacted BMIHT to see what they know<br clear="none">about these numbers. I finally got a response this morning.<br clear="none"><br clear="none">Their reply was that these are casting numbers and not part numbers and<br clear="none">not dateable.<br clear="none"><br clear="none">I think that the likelihood is DHMC or whoever (depending on which model<br clear="none">we are discussing) generated standard designs which were passed to the<br clear="none">various foundries who in turn allocated their own number to the design<br clear="none">and produced however many hundreds with the number on. Different<br clear="none">foundries would probably have given it different numbers.<br clear="none"><br clear="none">There was no clarification about the logo.<br clear="none"><br clear="none">Regards,<br clear="none"><br clear="none">Peter<br clear="none"><br clear="none">On 05/12/2021 01:26, richard mayor via Healeys wrote:<br clear="none">> What I thought was an Austin Healey 3000 engine has a casting number on<br clear="none">> the side of the block 12B266.    It has the early style Austin block<br clear="none">> with the tachometer drive housing.  The boss for the engine tag is in<br clear="none">> the same place as the 3000 engines.<br clear="none">> <br clear="none">> I looked at a couple of early 3000 engines and the casting numbers on<br clear="none">> them are AEC881.<br clear="none">> <br clear="none">> Does anyone know what engine this is?<br clear="none">> <br clear="none">> Richard<br clear="none">> <br clear="none">> _______________________________________________<br clear="none">> Support Team.Net <a shape="rect" href="http://www.team.net/donate.html" target="_blank">http://www.team.net/donate.html</a><br clear="none">> Suggested annual donation  $12.75<br clear="none">> <br clear="none">> Archive: <a shape="rect" href="http://www.team.net/pipermail/healeys" target="_blank">http://www.team.net/pipermail/healeys </a><a shape="rect" href="http://autox.team.net/archive" target="_blank">http://autox.team.net/archive</a><br clear="none">> <br clear="none">> <a shape="rect" ymailto="mailto:Healeys@autox.team.net" href="mailto:Healeys@autox.team.net">Healeys@autox.team.net</a><br clear="none">> <a shape="rect" href="http://autox.team.net/mailman/listinfo/healeys" target="_blank">http://autox.team.net/mailman/listinfo/healeys</a><br clear="none">> <br clear="none">> Unsubscribe/Manage: <a shape="rect" href="http://autox.team.net/mailman/options/healeys/pdzwig@summaventures.com" target="_blank">http://autox.team.net/mailman/options/healeys/pdzwig@summaventures.com</a><br clear="none">> <br clear="none"><br clear="none">-- <br clear="none"><br clear="none">Dr. Peter Dzwig
<div class="yqt7273639551" id="yqtfd59502"><br clear="none">_______________________________________________<br clear="none">Support Team.Net <a shape="rect" href="http://www.team.net/donate.html" target="_blank">http://www.team.net/donate.html</a><br clear="none">Suggested annual donation  $12.75<br clear="none"><br clear="none">Archive: <a shape="rect" href="http://www.team.net/pipermail/healeys" target="_blank">http://www.team.net/pipermail/healeys </a><a shape="rect" href="http://autox.team.net/archive" target="_blank">http://autox.team.net/archive</a><br clear="none"><br clear="none"><a shape="rect" ymailto="mailto:Healeys@autox.team.net" href="mailto:Healeys@autox.team.net">Healeys@autox.team.net</a><br clear="none"><a shape="rect" href="http://autox.team.net/mailman/listinfo/healeys" target="_blank">http://autox.team.net/mailman/listinfo/healeys</a><br clear="none"><br clear="none">Unsubscribe/Manage: <a shape="rect" href="http://autox.team.net/mailman/options/healeys/healeyguy@aol.com" target="_blank">http://autox.team.net/mailman/options/healeys/healeyguy@aol.com</a><br clear="none"><br clear="none"></div>
</div>
</font></div>
</div>
</div>