[Frank Lee]

Originally Posted by Christ

Given the second image, several things become evidently "bad" about current valve design and flow restriction, which, if addressed, would create significant gains on their own. Unfortunately, with technology advances occurring the way they do, the oft-quoted phrase comes to mind: if it's not broke, don't fix it.

It would cost a variable fortune to redesign completely such a small aspect of a much larger picture. It would essentially be like recoloring the faded sun in a painting of a magnitude reminiscent of the Milky Way.

IOW - there is easier to pick fruit within arm's reach, so why go to the shed to get the ladder?

If poppet valves are that bad maybe sleeve valves will take over any day now?