I hope this link gets you to my 60 gallon tank schematic.
If not, search for Fuel Tank Specs Directory posted by whatknot (me). Also posted is manufacturers name and address. Break the foam to tank seal and then go to a marina. Tie the tank off and pull it out with the lift. Get beer and a smoke. good luck
Tank specs are at the top of the page.
http://www.wellcraftv20.com/cgi-bin/...9058;start=6#6