swapping engines from 2.2 to a z24. will it swap out or what problems could i encounter?

First why are you putting that big of an engine in a cavalier??? Many problems will the transmission work will it mount properly the time and cost to do this will be to much hate to tell you but your going to spend alot of money trying to get this to work not saying it wont but their is lots of factors

ive seen it done before, as far as i know the 2.4 twin cam has the same mounts, but you'll need the 2.4 trans becuase they have different bell housings.. also the motors have to be from around the same year car so you'll need one from 97-99 (they changed trans in 2000 i believe) other than that you're gonna want the computer and possibly wiring harness out of the z24 as well. hope that helps.