there were a couple guys on the srt forum that did this with a base Neon. . . there's tons more than just swapping th e motor out. . you have to grap the intire wire harness. . find room for the Intercooler, etc. . . I can be done, it will not be fun and it's not for the weak of heart.
You need to go on
www.srtfroums.com and ask questions there or search.