Stop play the forum what IF cam roulett over over. Contact Patrick G.
Go here: http://www.guerragroup.com/camshaft_help.htm
Pay the $25. Get the $25 fee credited back when you buy the cam from www.ThunderRacing.com.
What you get: Custom grind cam designed for your driving style and your specific project.
www.Ls1tech.com community has been using this guy for years!