Check this out. Mark C. did speak up, but on TC forum. Unbelievably someone swapped a fake X33 tag onto a car that had a real X77 tag. Car used to be Glacier Blue. Engine is also a restamp according to Mark.
http://www.camaros.net/forums/showthread.php?t=86575
Many thanks to Mark and all the other guys who have been tracking tags and VINS.