Its been done before. I read it on another forum before i found this one. I think all the guy did was change the valve springs and tossed it on. its a hi-boost kit, about 4K, and the internals i think can last up to 8psi. dont know for sure, but i think my memory serves me well, havent visited that site since i found this one
found it! it is made my hi-boost, internals are able to hold about 8psi, and all the guy did was change his springs to serve on his auto. on a stock exhaust you see about 220hp