COPO "MP" block question

[69Tom]

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...actually an MQ block, which is a 69 manual transmission Chevelle block...

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Isn't an MQ Suffix block from a '68 Camaro L78 Stick car?

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In '68, there was an MQ code engine for the "Spec. High Performance" transmission 396/375. However, the engine block number would have to be 3916323. Mine is a 3963512 block. It's a proper '69 COPO block.

Yes, it's the one without the VIN#. Most likely, it was an engine sent to a dealer for replacement purposes. Doesn't appear to be decked or really ever even been used all that much. I'm fairly certain it's legit.