I have a link here to help guys who are building there own turbokit.
http://www.overboost.com/story.asp?id=57
This other one shows over 150 detailed pics (this guy is very good)
http://imglib.execute.net/index.cgi?cmd=viewlib&id=1
This link shows how to strengthen your bottom end cheaply.
http://www.geocities.com/thelsvtec2/B20girdlemod.html