Not sure of all the details, I read it on the corvette forum, I did not go this year because I left my Vette at the shop for headers and cam.
Here is a link to post on the vette site http://forums.corvetteforum.com/showthread.php?t=1795593
Here is a link to post on the vette site http://forums.corvetteforum.com/showthread.php?t=1795593