You can Buy the "Disappearing Door" Lincoln MK8.....
http://cgi.ebay.com/ebaymotors/1973...oryZ6472QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
http://cgi.ebay.com/ebaymotors/1973...oryZ6472QQssPageNameZWDVWQQrdZ1QQcmdZViewItem