the 2 plugs above the cam and below the 2 oil run off holes(sloted)
http://img.photobucket.com/albums/v3...7/IMG_0498.jpg
with cam gear on the plugs can be seen through the cam gear
http://img.photobucket.com/albums/v3...7/IMG_0504.jpg
from the inside the drain holes
http://img.photobucket.com/albums/v3...Picture007.jpg