is it possible to get some sort of kit for an 88 fiero formula that doesnt involve anything crazy like stretching the frame or using different windows and crap? or perhaps does anyone sell a kit of the 89/90 fiero concept?

check http://www.v8archie.com/
http://pisafierohq.com/
and other links from

http://www.tigerpawgraphics.com/fierolinks/fierolinks_002.html
http://www.fierosails.com/fierosecrets.html#Kits