im going to buy a 1997 mustang gt 8 Cylinder Gasoline Manual what i wanna do first is put a turbo in it does any know of any where i can find a turbo to drop in there. because im planning on racing it so any good advice would be apperciated.

 

Here's a link to get you started.
http://www.turbomustangs.com/turbo_links.php

 

my advice would be to upgrade that engine to at least PI spec, or start with a much better flowing engine. Those engines have breathing problems from the factory. You're also going to want to do a full exhaust either before or at the same time as the turbo, along with prolly a larger TB and MAF.