The motor was making a whine like a supercharger and had very low oil pressure. Partially solved it by adjusting where the pick up tube support bolts to the girdle. There is a small height range to choose from before tightening it down. But that wasn't quite enough so i lightly "clearanced" the pan with a hammer. It was one of the very first SZ road race pans to ship, they helped me solve it and there was no harm done.