CLASS RACER FORUM - View Single Post - Cylinder head flow

Stan Weiss · 01-31-2022, 07:40 PM

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

01-31-2022, 07:40 PM	#25
Stan Weiss Senior Member Join Date: Apr 2020 Location: Phila, PA Posts: 795 Likes: 0 Liked 734 Times in 385 Posts	Re: Cylinder head flow - What is crucial in a stocker? 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