Soda blasting info
http://spi.forumup.org/viewtopic.php?t=853&highlight=soda+blasting&mforum=spi
James like someone else mentioned it depends on what he wants out of the ride.....If its show vehicle then def strip it and start fresh, if its a driver that he plans on selling repair the spots, block whole thing with 180 and epoxy prime it then block and paint as usual