My take on the oiling system crossover tube for the small block

Your going to have to tell more of what your setup is going to be. If you're using a stock pan then yes that's the pickup to use but if you're using a deeper pan then you're going to have to put a 3/4 national pipe thread end on a longer pick up.
Have never heard of anybody running the oil sump dry with these modifications. If somebody did we would have heard about it over and over and over.
And yes I highly recommend using a windage tray and baffles in your pan.
Did all of my babbling above help where do I need to clarify?