On another note I thought you guys might like to see what the cylinder walls looks like on a 178k engine. http://www.g4mb10r.isa-geek.com/photos/Robs%20photos/IMG_9801.JPG The car had synthetic all its life. Note the lack of varnish in the cylinder head. http://www.g4mb10r.isa-geek.com/photos/Robs%20photos/IMG_9800.JPG Gabriel Caldwell