Shows valve and piston movement @ overlap
Wedge chamber: http://www.profblairandassociates.com/AVIs/2vWedgeHead2.avi
Hemi chamber:
http://www.profblairandassociates.com/AVIs/2v%20hemi.avi
Yes, "profblair" is Professor Gordon Blair.
note how close the Hemi valves come to hitting each other !
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That's pretty neat! :ohyeah: