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 Post subject: Re: TC Brass Engine Tags
PostPosted: Wed Feb 13, 2019 1:23 pm 
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Posts: 52
djw wrote:
The MGCC T Register has done some work on T Type engine block date castings, including the date coding used, and you can find our conclusions at
https://www.mgcc.co.uk/t-register/regis ... stingdates
Using this code, Duncan M's block is dated as 8 April 1949 and Steve Simmons' (if the photo is indeed upside down) as 17 March 1949.
There is another article on the other block and head casting numbers and logos at
https://www.mgcc.co.uk/t-register/wp-co ... ers-v8.pdf.
Note the caveats at the end of the date coding document and we'd be interesting in seeing pictures of any variations.
David


That actually makes more sense.im away from home at the moment, but I’ll check mine when I get back. Thanks for all the input.

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 Post subject: Re: TC Brass Engine Tags
PostPosted: Wed Feb 13, 2019 1:48 pm 
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Duncan - I'm sorry that I read through your post too quickly, and replied even quicker, without knowing what I was saying! My apologies for muddying the waters.

Tom Lange
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 Post subject: Re: TC Brass Engine Tags
PostPosted: Wed Feb 13, 2019 4:11 pm 
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Location: North America
Thanks David. That makes perfect sense. Not sure where my erroneous idea of decades came from?

Tom, you were on to something, there.

Steve, If you look real close on my engine date code pic, you will see little hints of red paint under the "oil" coating.


 
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 Post subject: Re: TC Brass Engine Tags
PostPosted: Sun Feb 17, 2019 11:28 am 
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All very interesting, which leads me to wonder if the theory that the engine stamping is a date code and mine is 15 C 5 (15 March 1945), if it could possibly be an engine built over a year earlier could end up in #0777? I don't recall when MG restarted production after the war, and I have seen an explanation of block codes somewhere, so I'll do some more research.


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TC0777
 
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 Post subject: Re: TC Brass Engine Tags
PostPosted: Sun Feb 17, 2019 11:54 am 
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Upon further review, the casting number on the engine is 24142, which relates to an early TC block.


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 Post subject: Re: TC Brass Engine Tags
PostPosted: Sun Feb 17, 2019 5:39 pm 

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My upside down numbers are 11C9 which based on the previous discussions indicate the block was cast on March 11, 1949 and yet my chassis record shows that TC7801 was built on Feb 2, 1949. I'm confused.


 
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 Post subject: Re: TC Brass Engine Tags
PostPosted: Mon Feb 18, 2019 8:03 am 
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I've seen a number of those anomalies, which makes me question whether they even are date codes...

Tom Lange
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 Post subject: Re: TC Brass Engine Tags
PostPosted: Mon Feb 18, 2019 11:22 am 
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Location: North America
What is there to be confused about, Mark?


 
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 Post subject: Re: TC Brass Engine Tags
PostPosted: Mon Feb 18, 2019 5:10 pm 

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Duncan- If the date coding is in fact correct, then my car has a different engine in it than when built since the engine supposedly was made after the car was built. Could the tag have been put on another engine at some point or installed on another block by someone else or was it changed by the factory or a dealer or on and on. It really doesn't make any difference to me. No one will ever know or probably care. This study is going much deeper than 99% of TC owners will ever go but it's fun to try and recreate what went on in the past. I think that half of the fun of a restoration is the research that goes into rebuilding the car.


 
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 Post subject: Re: TC Brass Engine Tags
PostPosted: Mon Feb 18, 2019 8:48 pm 
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Location: North America
Many States titled cars by only the engine number when these cars were new and in the 50's. That could have been an incentive to keep the engine numbers consistent after the original engine was blown, and a running engine was found at the salvage yard to replace it.


 
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