I have a nice 86 century Gran Sport for sale. (not as nice as the one on e-bay).
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=2403501759&category=6137.
Mine has 159k and 29,000 since rebuild by leading 3.8 Turbo Expert in Richardson Texas. $2000 worth of machine and head...