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Ol' Ron · 07-25-2010, 10:15 PM

I must say that's an impressive engine. As you know I built my own flow bench before I wrote my book, just for kicks, but it never gave CFM just Percentages.
Later I had the opportunity to use a professional unit. In an effort to gain impressive flow numbers I tried every possible modification to the ports to gain more flow. Big engines need more flow than a small one and 10-12:1 CR impedes flow.
I and many others have looked for the Holy Grail of Flathead power and I believe your the only one that's found it. Thanks for the summery of your engine, wish I could have seen it run.
Take care.]

Ol' Ron

07-25-2010, 10:15 PM	#18
Ol' Ron Senior Member Join Date: May 2010 Location: Chester Vt Posts: 8,913	Re: Boring a flathead I must say that's an impressive engine. As you know I built my own flow bench before I wrote my book, just for kicks, but it never gave CFM just Percentages. Later I had the opportunity to use a professional unit. In an effort to gain impressive flow numbers I tried every possible modification to the ports to gain more flow. Big engines need more flow than a small one and 10-12:1 CR impedes flow. I and many others have looked for the Holy Grail of Flathead power and I believe your the only one that's found it. Thanks for the summery of your engine, wish I could have seen it run. Take care.] Ol' Ron