3769716 - 1958-62 235 car/truck block

FI05J
F = Flint, MI
I0 = 10? = 10 = October
5 = 5th
J = truck 235 engine (J code used in multiple years : 1957-1962, usually 235 with standard transmission on 3100-3800 trucks)

3836848 - 1956-62 235 car/truck head

What are the head and block date casting codes?