SlowProne

I recently got a 5.3 chevy engine out of a 2003 suburban and plan to put it in my 1984 Nissan 720. I want to replace the drums in the rear for rotors but can find anything on what i can use to swap it anyone have any ideas? as well as the oil pan issue I've been reading about people using the trucks pan with a 240 and combining it obviously thats for a ka swap but is there anything like that which i could use for the 5.3 swap? Thanks