engine swaps

Looking to do as the title says wondering if anyone has done this swap before and knows what is needed to make this happen. So far, I have the engine and trans out of a '70 Deville. I only know I'll need a different oil pan, and I've heard I need mounts from a 425. Other than that, I'm not sure.

Hello all, New guy to the forum and to Caddy's in general but not to the automotive industry. Been a mechanic for many years (20+) until the evil overlords transitioned me to IT. Pays the bills but I still work on cars as a hobby and now have a decent size shop with lots of toys to do major...