Like Jerry said, a bit of heat will definitely help. Someone probably used some sealant on the threads that has hardened up and glued it in place. Heat will help loosen the sealant and also expand the body away from the fitting a bit.
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.
