Originally Posted by george_n_texas
I'm thinkin if you run the T empty line up the side of the tank it will stay the same level in the site tube on the outside of the tank be good if it emptied into a breather hole in the gas cap. or had verry little air hole at the end...we had this setup on storage tanks haulin fuel.
Exactly correct George. A little piece of rag in the end of the tube keeps gas from splashing out. I do this on all my ultralight planes where seeing level of gas is more than just an idle convenience..