John, Several of the (AE)heads were made to run on most of the engines 352-428 w/o air. What number is on yours at the two center sparkplug holes? I would agree with the previous, have yours reworked.
http://www.clubfte.com/users/jowilker/USFlag.gif
John

jowilker email me
[link:www.ford-trucks.com/users/jowilker|My Club FTE Page] Member since 01 01

[link:www.ford-trucks.net/users/jowilker/NCFTE.html|NCFTO] North Carolina Ford Truck Owners Group

In the cool still quiet of night, you can hear chevies rusting away.