importing

ok guys (genderless) i need all the knowlege ya got. i want to import 94 mitsubishi GTO NC WILIMINGTON. ALRIGHT NOW IT'S A 3000GT HERE SO WILL IT NEED TO GO THROUGH aLOT CHANGeS TO cause it's basicly the same car. also any knowlge on importing or if imported a car befor please share. oh yeah can i write this car off as a 3000gt on insurance cause thats what it is?.