Cylinder head flow - What is crucial in a stocker?

[Paul Precht]

Originally Posted by Stan Weiss

Maybe someone who is doing stock heads will speak up. How far below the actual valve seat into the head can the bottom cuts / angles go? I have seen heads where those bottom cuts went well into the throat area. I don't know if those heads were NHRA legal or not.

Stan

Any machine cuts are legal and if that cut is 85 degrees or so it's going to go deep.