might be here at the NC or MI museum. Too bad they don't list which vehicles are in Jack's collection. Would be cool if they did a Jay Leno Garage type of history of each vehicle with text from the man himself!
http://www.roushfenwaycorporate.com/Museum/default.asp
Cool Wayne Gapp story (long) here worth reading:
http://www.competitionplus.com/index.php?option=com_content&task=view&id=2773&Itemid=24