Help Identifying an engine!

I have a 1966 buick Skylark and its engine has a strange code I'll live the picture if any one can help. I live in Guatemala and here nobody knows anything about my Buick. I think it is a 300 ci but it seems to be a code M M??.

Thank you very much...



Rudy

MM is a 66 buick 300 engine. It was a low compeession (7.6:1) 2bbl export engine.

Quote:

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Originally Posted by Dr. Frankenbuick

MM is a 66 buick 300 engine. It was a low compeession (7.6:1) 2bbl export engine.

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Thank You very much FrankenBuick....