Pics of the 3 valve heads

I talked to the guy that is doing a lot of the R & D for Ford and he says these heads flow 200 out of the box and 250 with medium work. The flow numbers were at .500.

Click to expand...

I asked about the deep combustion chambers and he smirked and said I was the only one all day that asked about them, then he changed the subject so I did not push the issue. My guess it is to lower compression for lots of boost ?

Click to expand...