Engine Number Question (new one)

[jakenoklahoma]

My "new" B3D, stamped on engine number boss in usual spot: T3I0-I-0040

Head has these numbers cast into it by #5 cylinder, readable from driver side:

D

1626306-2

DD

10

Any idea what year I am dealing with here?

[austinsailor]

23" 230 ci from '51 to '53.

[jakenoklahoma]

23" 230 ci from '51 to '53.

whew, good. when I saw the "I's" in the engine number I thought that I had another mystery engine...thanks