does any one know why most companys dont make a turbo for the 93 Z28?

Probably for the same reason they don't make them for the 94 to 00 Z28s

they do make a tubro for a 93z. here's link. I was accually thinking of purchasing it once i get the money. Anyways if you do get it, lemmie know how it works.
http://www.fbodymotorsports.com/inc/pdetail?v=1&pid=9402