Were you storing it in an enclosed area and, if so, was it on concrete? A whole lot of moisture comes up from concrete and, if not covered, has probably rusted something. Could be drums...
Mark
68 Firebird 350 auto (sold) 70 Trans Am RAIII 400 4-speed (sold) 2011 Challenger SRT8 IE392 6-speed (sold) 2017 Challenger Hellcat 1966 Dodge Coronet 440