Thank you sir,
So it appears to be 235cu, 58-62, by block and head.
F218J= Flint, Mich, Feb 18th, 3100-3800 models
Another sire from the one you posted:
http://devestechnet.com/Home/CastingNumbers

Thank you very much, nice for the confirmation,
Keith Hansen


1959 Chev Napco 4x4 3100 w/235cu