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"The important thing is not to stop questioning."
-Albert Einstein"The secret to creativity is knowing how to hide your sources."
-Albert Einstein "If the facts don't fit the theory, change the facts."
-Albert Einstein "Doubt is not a pleasant condition, but certainty is absurd."
-Voltaire "Judge of a man by his questions rather than by his answers."
-Voltaire "The wise are instructed by reason; ordinary minds by experience; the stupid, by necessity; and brutes by instinct."
-Cicero You can always find a quote to make just about any point you want. Back to the topic, as you said, "after our machinist showed the cuts it can produce on a valve seat and the additional flow characteristics it can generate, I was convinced." So, are we talking about 14 cuts on the seat, or are we talking about cumulative cuts on the face, seat and back cuts all together? And, your flow characteristics would be easy enough to describe (here and/or on your website) and document with a flow bench. I'm certainly interested in some back-to-back testing figures to show the improvements; if they are significant enough, I'd certainly want to go that route on my next set of heads if I liked the numbers. But, as you know yourself, you and I and many others here don't just go off of someone's word (yes, many others do, I know.) You don't. I don't. That does not throw your experience out the door, nor negate everything on the board, as you have said in the past. The fact is, you have already stated you have done the comparisons. Has that info (flow bench comparisons, descriptions of improved flow characteristics) been posted anywhere? I think this is what people want - not pictures of the cutting die. -Evil Questioning Mike
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