I just paid $100 for a running flathead for my 49' f-1.
It has EAC cast into the head which means it is a mercury right?
Did ford put 255's in the bigger trucks fom the factory?
It is out of a 1952 f-4.
I didn't check the stroke yet to verify if it is 4".

thanks,

John

76' f-100
49' f-1
52ish f-1