I just wanted to give you guys a heads up. I am working on a new web site the Metro Detroit Metalworking Club. It is mostly for info about the club but it also has free plans on it including the plans for the CO2 powered V8. It is not quite done but here is a sneak peek.
http://www.metrodetroitmetalworkers.com/
http://www.metrodetroitmetalworkers.com/