W2 valve size recommendations

replicaracer43 said
I'm lucky in these heads that they are virgin, although they do have multi angles roughed in allreadyView attachment 1715535687

Ok, I like that valve job. You can blend the throat right into the bottom cut. Unless you need a bigger valve, I’d run that.

Those are also later castings because the back side of the bowl is more perpendicular to the valve stem than the earlier stuff.