Hotrod.com
http://Hotrod.com/techarticles/engine/113_0309_srt/ is going to teardown the pt turbo engine and maybe they will answer some questions about how the eng was built. on page 88 of hotrod, August 2003, is the srt but they say they are useing a pt turbo eng to teardown see this months sema news. go to hotrod.com/web
the WEB must be there. look at the specs it says 14lbs of boost max.