1967 Camar engine stamp help

[Johnyoder]

Hi,  Trying to help a friend out with an engine stamp.  He bought a 1967 camaro ss and the engine stamp looks like is says FC4I8ER.  I figured Flint on 04-18 but I can't figure out ER.  Thanks for your help.

[JohnZ]

The "ER" suffix was used for 1967 327/325hp hi-po engines with A.I.R. (K-19) in Chevelles and El Caminos. What's the block casting number and date?

[Johnyoder]

Thanks JohnZ for the reply.  I have not looked yet I'll find out in the next few days.