Head date code L 30 2 = Dec 30 1952 (cast during the 1953 model year).
Con 12 = Conveyor used to cast that head in the foundry...if they found a problem after it was cast they would know where to look.
Block date code E 21 4 = May 21 1954.
Engine serial number 0323204 makes it the 322,204th engine built for the 1954 model year at the Tonawanda Engine Plant.
Mike B
