The reason a 4.3L Diesel from a RWD would not work is that those use the standard RWD bellhousing, not the FWD that the Trooper uses. They have an Olds RWD large pattern.
I would love to have a new Digi cam, but money is tight, I have to work with the old one I have.
I will be doing more work on it this Saturday, hope to have lots of good info and pictures for you all.
Scott