I finished up the bottoms today.
http://i550.photobucket.com/albums/i...ps4535d0d5.jpg
Bottoms, machined sides.
http://i550.photobucket.com/albums/i...psad9baa02.jpg
Tops, machined sides.
http://i550.photobucket.com/albums/i...ps30a2d7b8.jpg
Gonna work on making valve seals next...