Found this on Craigslist. Looks like a good deal. Not sure about a 455 with a broken cam. That sounds like a symptom not the cause of the problem. 1973 Buick Boat-tail Riviera - $350 (Tacoma) Reply to: sale-bmexc-1123879021@craigslist.org [Errors when replying to ads?] Date: 2009-04-15, 12:09PM PDT 1973 Buick Boat tail Riviera, Factory black on black, floors & trunk are rusted through, 455 has a broken camshaft, tore front of engine down never fixed, no carb. no radiator, Good parts car or? $350 Cash if not Sold by Monday it's going to the the crusher! clear title save it by Monday no joke it's going! (253)381-4062 Location: Tacoma it's NOT ok to contact this poster with services or other commercial interests http://seattle.craigslist.org/tac/cto/1123879021.html