First of all, the bump on the regulator casting goes forward.

The plunger with the small head is the one to use. They made a change in the part but not the part number. We never like the big headed one.

Question, Paul. Does the engine die rich or lean? At what throttle setting?

Let me know.

Steve. Got your engine. Will check on it's progress in the am. It may already be on it's way back to you.

Dave