<a href="http://s114.photobucket.com/albums/n241/werty19/?action=view¤t=1022091803.jpg" target="_blank"><img src="http://i114.photobucket.com/albums/n241/werty19/1022091803.jpg" border="0" alt="Photobucket"></a> blown head gasket? or or residue from dried coolant? its not thick or slimy