General Cylinder Head Flow Numbers discussion

GTOMayhem · 12-04-2020, 06:44 AM

Quote:

Originally Posted by Larry Hill

How I judged the heads by valve protrusion into into the chamber.

Was that to minimize chamber volume?

Rick Thomason
GTOMayhem

Larry Hill · 12-04-2020, 07:56 AM

I’m not a head guy but with the valves hight in the head, if you had to sink one to get the cc’s correct it usually didn’t hurt the flow real bad. In most of the old cast heads one or two runners are just turds and are difficult to get to respond. I have made a few test valves.

12-04-2020, 07:56 AM	#2
Larry Hill Live Reporter Join Date: Oct 2004 Location: Hickory, Ky Posts: 10,664 Likes: 1,954 Liked 10,835 Times in 2,252 Posts	Re: General Cylinder Head Flow Numbers discussion I’m not a head guy but with the valves hight in the head, if you had to sink one to get the cc’s correct it usually didn’t hurt the flow real bad. In most of the old cast heads one or two runners are just turds and are difficult to get to respond. I have made a few test valves. __________________ IHM Used Parts https://ihmusedparts.com 888-821-1817

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