Boy has this been a rathole. I played with Y Scale position, but it appears that the Plot Area bounds and position are determined by the Y Scale position. I can move the scale, but the plot moves too (and it is always to the right of the scale). I also noticed that I can't create a new scale by indexing the ActYScl index. If no scale exists, it doesn't create a new one. I didn't see any methods to create a new scale or switch it to the other side of the Plot Area. I am going to punt. I'll create two scales (one on each side) and allow the configuration of whether each scale is visible or not.
It still seems interesting to investigate this, but I don't have any more time to spend on it.
Thanks for the suggestion,
Chris