If you find that it's not the sending unit gasket or the filler, there are cleaner/sealer kits available for gas tanks. I've seen them on Eastwood's site. My tank will eventually get that treatment, even though I don't believe it's leaking.
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.