AFAIK, An NA, low-pressure turbo, and high-pressure turbo engines should fit in all P80 chassis. One of the pros of modular design. Just make sure you grab the right ECU.

... Here’s another question for y’all: is it possible to put a T5 turbo engine in place of the standard turbo? Just wondering, may want to do a little upgrade while I’m shopping for a used engine... - Any high pressure turbo (HPT) engine 95-98 P80 drops right in. They are all the same engine, very ...