http://www.geocities.com/sportscarsandmore//Sportcars.html
http://www.mxk.com/1ykplans/index.htm
http://www.gokartplans.com
http://sadik.net/gokart/
http://www.buildyourowngokart.com/index.php
http://www.skynet.ie/~steviewdr/
these places will give you some starter per-say guides and the...