I wish you can do it with the minimum of problems. Keep us informed and documented with pictures . A front end picture of both , that is, as we see the engines from the accessory side, alternator, a/c, p/s, would be great.
Just to start with, take a picture of the SC3800 from the front. I think the relocation of alternator or p/s pump would be the main problem.

I think it is way down towards the firewall with the SC.
Here is the original engine from TomVanHooft in Netherland
www.avigex.ca/xport/IMG_2042s.jpg He was working to install a series 2 3800 (no compressor) in its place.