well heres the answers to most off your questions
the name of the engine is 3SGTE and the vehicle chassie code is SW20
yes i would get an engine clip cuz you get every thing you need
to bad your in florida subzero motors in california is great to get a clip from
if you just go the engine i recomend the a turbo mr2s transmission you will need the intercooler wiring harness JDM ecu/computer turbo mr2 motor mounts and a boost gauge of course then a 255lpg fuel pump walbro is recomended but u can use a turbo mr2s,supras, or turbo celicas i might have missed something so might not be all ohh turbo axles to handle the stress have fun
ohh and i would pop on over to the best mr2 site on the net it is twobrutal
http://www.twobrutal.co.uk
europe but there great