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tubman · 11-04-2021, 05:39 PM

In my experience, combustion chamber volume is not important, What you need is proper "squish" (.040"-.050") and the compression ratio will follow. After years of just bolting on a set of "High compression" heads and being disappointed I have found that getting the quench right is the best thing you can do with a flathead Ford.

I also do not understand the advantage on "Angle Milling", but I'm sure someone will come on here to explain it to me.

11-04-2021, 05:39 PM	#30
tubman Senior Member Join Date: Dec 2013 Location: Minnesota, Florida Keys Posts: 10,320	Re: Are these EAB heads OK? In my experience, combustion chamber volume is not important, What you need is proper "squish" (.040"-.050") and the compression ratio will follow. After years of just bolting on a set of "High compression" heads and being disappointed I have found that getting the quench right is the best thing you can do with a flathead Ford. I also do not understand the advantage on "Angle Milling", but I'm sure someone will come on here to explain it to me.