I found this engine on ebay. I thought it was a pretty good price if you could make sure it was in good shape. The guy sold it to a non paying bidder for 1000$ but it was never picked up.
http://cgi.ebay.com/ebaymotors/ws/e...em=200209977313&_trksid=p3984.cTODAY.m238.lVI
http://cgi.ebay.com/ebaymotors/ws/e...em=200209977313&_trksid=p3984.cTODAY.m238.lVI