I'd be on that, but I've got to be honest, I've had great luck with Milodon Pans. Even on the 460's I've run, and my Olds runs basically the same pan.
I've seen, and argued, the Milodon 460 problems from those on the site and others, and I'm left to beleive that these cases were running factory style front or center pickup tubes and not the Milodon rear sump pickup tube and proper oil pump in these Jet applications.
No one has shown me they were using the proper pump/pickup combination (Including relocating a main bolt) with the appropriate pan and experienced a failure or oil pressure loss in a Jet Boat engine application.
That being said, and us Ford guys will argue that to death and there are many of us that share my viewpoint, I would NOT hesitate on a Milodon on the Olds.
Odds of finding a good, used Armando's? Nil. Probably the same for a Milodon or a Canton, or an Olsen, or a Dooley. And if you DO, probably more than retail compared to what's out there.
Just my .02
Ray