I'm getting old, but I did get this right. There's lots of people using the Holley pan successfully, at least with certain circumstances - stock steering, which the OP said he has. And it doesn't hang low.Looks like Rick is getting old too...
"I since looked at the Holley pan but cannot get a guarantee from Holley or CPP's customer service that they will work in the TriFive. "
I suppose there are still circumstances where you could mount the engine in such a way that it doesn't work. The solution there would be to mount the engine in a way that it does work.