The problem is where I put the thru hull.
You can barely see where I drilled the hole. the white dot in front of the left rail.
http://s27.photobucket.com/albums/c155/brian_roy_6/SJ Build/?action=view¤t=IMG_0031.jpg
Well I measured once an drilled once. The flange on the thru hull doesnt sit flush. maby 1/16 high on one side. So If I put a nice gasket under it. It would be fixed.