Had to read the add twice, long range wing tanks and...another 14gal O&N tank in the backseat? Think you could get some suspicious looking logbook entries, flying that thing around.
Come to think about it, 50gal fillups, would price me right out of flying altogether. Oh well. FK
http://www.barnstormers.com/classified_435964_1965+Cessna+150_150+E.html