Eric's cam challenge

Newbomb Turk said
Think in terms of pressure differential between the manifold side of the valve compared to the piston side of the valve.

.006 lift changes the pressure differential above and below the valve.

You calculate that as time/area. IIRC the .006 lift point is for hydraulic lifters.

For solid lifters it should be the lash point.

The annular area is tiny at 0.006". Don't you think that this is the point where you can say that the valve has moved off of the seat and gives the largest duration number? Its the marketing duration point.