Heads
Elder User
Joined: Apr 2004
Posts: 970
Likes: 3
I believe the major difference is the some of the heads are set up for the air injection
Those ports can be plugged, as a matter of fact when you order a casting from Ford it
was drilled for the manifold (earlier head casting could not be had) and they furnished
plugs for them.
Those ports can be plugged, as a matter of fact when you order a casting from Ford it
was drilled for the manifold (earlier head casting could not be had) and they furnished
plugs for them.
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