Help to unmask my new old beast.

OK Thank you I see . A touch of Matthew 7:7-8.
with an added a touch of spanner work.

Thank you for the guidance
OK- found the serial number next to the alternator flange .
4W 225 4595
I am beginning to get this thank you -so the engine was built in 1974 at the Windsor engine plant and has a displacement of 225 and was signed off on 30th January 1974 ?