I don’t know how there’s any confusion.

As I’ve mentioned several times in this thread....... the heads were bought as the bare heads with blank seats.
I cut one intake and one exhaust seat so I could test them before and after they were cnc ported.
I cut the intake seat to 2.25”.
I remember doing it that way....... and my notes confirm that’s what I did.

I only cut ONE intake seat(#4 or #5 cylinder).
The remaining 7 were done at another shop.
What size valves they used to determine what size to cut the seat I have no idea.
Since they appear to be seating correctly from the pics of the valves, they appear to have been cut for the valves that are in the heads.

If one were to pull the #4 and #5 intake valves out........the remnants of my 4 angle valve seat might still be there.
Of course, since it appears there has been some amount of hand blending after the cnc job, that 4th(bottom) angle I used when I flowed the heads might have also been blended away.

The main point was...... when I flowed them, it had a 2.25 valve and a 4 angle seat.
It now has a 2.20 valve and a 3 angle seat.

I’m thinking those two changes would make some kind of difference in flow.
But...... maybe not.


68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads