Originally Posted by topsites
Yeah all right, one more time...
That thing the push rod keeps popping out from under would be the rocker (or rocker arm)
and on the other end that spring thing is the lifter, then below that would be the valve.
I think I got it right this time.
Best I could find in terms of a diagram is this automotive VTEC which, well:
This is definitely not a push rod motor. A push rod motor has a lifter on camshaft that pushes up to open the valve and the down to close the valve.