Reread post #19. If anything is unclear, let me know.
Go to Reher Morrison's site and go to his tech page. There are more than a few articles that will inform you on the short comings of a wet sump system when you get to a certain performance level. He has some very interesting examples.
Ted A. It may be that your car is not up to a performance level that would benefit from a drysump system. Just make sure you keep an eagle eye on that oil pressure gauge. I for one would rather pay closer attention to other tuning parameters while feeling completely comfortable that my oil delivery is not a problem.
I'm not trying to tell you that your engine guy doesn't know what he's doing. Just do your own research so you can make a more informed decision.
Let me make something clear here. I once also thought that I didn't need a drysump system. With my first engine, my target performance was low 10s. A wetsump system will do fine with that target. But when you blow an engine, even if the car is only capable of running 12s, and you're sliding sideways down the track at over 100 mph, I WILL GUARANTEE YOU, let me repeat that, I WILL GUARANTEE YOU, you will be thinking about that drysump system.