Yeah I realize that sinking the valves hurts airflow. Sorry but my explanation of why I did that wasn't clear.
They are brand new valves but what happened is the shop installed new exh. valve seats and didn't sink them deep enough to their original location by anywhere from .020-.050". That's the reason I mentioned having them sunk farther. It was to get them to their original location and get them all even. I figured since they're heights all varied by quite a bit that the airflow would be different from cylinder to cylinder and sinking them to their stock location would balance the airflow better. I looked into putting lash caps on them but even then I'm sure the flow difference from cyl. to cyl. would be quite different.