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</o:shapelayout></xml><![endif]--></head><body lang=EN-NZ link="#0563C1" vlink="#954F72" style='word-wrap:break-word'><div class=WordSection1><p class=MsoPlainText><span style='color:#000066'>To add to Steve’s comments . . . I have a spare engine to back up my BJ8 engine.<o:p></o:p></span></p><p class=MsoPlainText><span style='color:#000066'>It is from a <b>Wolseley 6/110 Mk II</b> and the block is exactly the same, also with part number 12B 766, and the stylised ‘M’ in the diamond directly below the engine number. <o:p></o:p></span></p><p class=MsoPlainText><span style='color:#000066'>Right or wrong, I have always understood that logo to represent the engine manufacturer – <b>Morris</b>.<o:p></o:p></span></p><p class=MsoPlainText><span style='color:#000066'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:#000066'>Cheers<o:p></o:p></span></p><p class=MsoPlainText><span style='color:#000066'>Mark<o:p></o:p></span></p><p class=MsoPlainText><span style='color:#000066'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:#000066'>Ardmore<o:p></o:p></span></p><p class=MsoPlainText><span style='color:#000066'>NZ<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:windowtext'><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-US style='color:windowtext;mso-fareast-language:EN-NZ'>-----Original Message-----<br>From: BJ8Healeys <sbyers@ec.rr.com> <br>Sent: Monday, 6 December 2021 8:36 AM<br>To: pdzwig@summaventures.com<br>Cc: healeys@autox.team.net<br>Subject: Re: [Healeys] Mystery casting number on Austin 6 cylinder engine - AGAIN</span><span style='color:windowtext'><o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>Peter, since you referred Mr. Mayor to my comment of 16 March 2014 at BCF, I need to follow up. I still believe 12B 766 is a part number. Exactly which part, I don't know. It isn't specifically identified as a serviceable part in the parts manual, which to me means that it wasn't a part that could be ordered from a dealer, so I interpreted it as a casting number. My BJ8 engine has the same number in the same place. <o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>The BMC Mechanical Service Parts List for BJ7/BJ8 (Publication number AKD 3523) identifies several other detail parts of the engine that have similar part numbers, e.g.<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>Piston Assembly 12B 1159<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>Camshaft 12B 594<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>Crankshaft pulley with damper 12B 1274<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>Washer, nut (crankshaft dog nut) 12B 681<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>Other engine parts have similar, but different initial numbers Flywheel 22B 136 Cylinder side cover (center) 2A 770<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>I'm sure the 12 or 12B and similar codes meant something to BMC but to know exactly what we would need more BMC design documentation than what appears to be available now. 12 or 12B means some part of an engine assembly, I would guess.<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>Someone some time ago was trying to document engine casting codes in an effort to figure out what they meant (date of the casting, etc.) but I forget now who that was. I never paid much attention to those markings because I didn't think they were helpful in identification of a car, but since that post to the list I did try to identify those markings on my BJ8 engine and document as many others as possible. Some of them are very difficult to access with the engine and other stuff installed. The few I did record as reported by owners are these:<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>24A40 (or 24A49, last digit partially illegible) - engine 29K/RU/H977 7M4C - 29K/RU/H1670 D4C - 29K/RU/H1753 24A4C - 29K/RU/H1477 3H4D - 29K/RU/H3186 27H4C - 29K/RU/H5843<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>C23F5 - 29K/RU/H6295<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>C21F5 - 29K/RU/H11327 (my engine. Has 1 63 on the driver's side, both were cast with the block.<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>The apparent casting number of the unknown engine at BCF was L3C.<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>I do not know what the "M" in a diamond-shape logo means, but my engine has it also.<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>For what it's worth.....<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>Steve Byers<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>HBJ8L/36666<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>BJ8 Registry<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>AHCA Delegate at Large<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>Havelock, NC USA<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:windowtext'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:windowtext'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>-----Original Message-----<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>From: Healeys [<a href="mailto:healeys-bounces@autox.team.net"><span style='color:windowtext;text-decoration:none'>mailto:healeys-bounces@autox.team.net</span></a>] On Behalf Of Peter Dzwig via Healeys<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>Sent: Sunday, December 5, 2021 11:55 AM<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>To: richard mayor; healeys<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>Subject: Re: [Healeys] Mystery casting number on Austin 6 cylinder engine - AGAIN<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>Try again!<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>As far as I can see from the manuals and sites I have looked at, the form "AEC xyz" is the standard BMC parts format for pretty much anything), e.g. AEC 607 is a C series liner.<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>Now, see this page (no, really!)<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:windowtext'><<a href="https://www.britishcarforum.com/community/threads/help-me-identify-the-engine.95536/"><span style='color:windowtext;text-decoration:none'>https://www.britishcarforum.com/community/threads/help-me-identify-the-engine.95536/</span></a>><o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>look at the second photo which shows the number and some sort of logo beneath it. Now follow the contributions by "BJ8 Healey".<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>My guess - and it is only that - is that 12B refers to a block cast by whoever's logo that is and 266 is the sequence number in the run *not* a part number.<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>Regards,<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>Peter<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>On 05/12/2021 12:01, Peter Dzwig via Healeys wrote:<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>> Richard,<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>> <o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>> see here:<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>> <o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>> <https://www.ahexp.com/forum/the-100-six-forum.5/100-6-cylinder-weslak<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>> e-head-numbers.183672/><o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>> <o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>> It doesn't address your *specific* number but I guess that the answer <o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>> is in line with what it says there namely that it's a Westlake head.<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>> <o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>> Regards,<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>> <o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>> Peter<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>> <o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>> On 05/12/2021 01:26, richard mayor via Healeys wrote:<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>>> What I thought was an Austin Healey 3000 engine has a casting number on<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>>> the side of the block 12B266. It has the early style Austin block<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>>> with the tachometer drive housing. The boss for the engine tag is in <o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>>> the same place as the 3000 engines.<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>>><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>>> I looked at a couple of early 3000 engines and the casting numbers on <o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>>> them are AEC881.<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>>><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>>> Does anyone know what engine this is?<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>>><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>>> Richard<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>>><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>>> _______________________________________________<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>>> Support Team.Net <a href="http://www.team.net/donate.html"><span style='color:windowtext;text-decoration:none'>http://www.team.net/donate.html</span></a> Suggested annual <o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>>> donation $12.75<o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>>><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>>> Archive: <a href="http://www.team.net/pipermail/healeys"><span style='color:windowtext;text-decoration:none'>http://www.team.net/pipermail/healeys</span></a> <o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>>> <a href="http://autox.team.net/archive"><span style='color:windowtext;text-decoration:none'>http://autox.team.net/archive</span></a><o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>>><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>>> <a href="mailto:Healeys@autox.team.net"><span style='color:windowtext;text-decoration:none'>Healeys@autox.team.net</span></a><o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>>> <a href="http://autox.team.net/mailman/listinfo/healeys"><span style='color:windowtext;text-decoration:none'>http://autox.team.net/mailman/listinfo/healeys</span></a><o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>>><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>>> Unsubscribe/Manage: <o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>>> <a href="http://autox.team.net/mailman/options/healeys/pdzwig@summaventures.co"><span style='color:windowtext;text-decoration:none'>http://autox.team.net/mailman/options/healeys/pdzwig@summaventures.co</span></a><o:p></o:p></span></p><p class=MsoPlainText><span style='color:windowtext'>>> m<o:p></o:p></span></p></div></body></html>