Dart Gas Tanks
Year	Description	Quanta #
1963	Gas Tank	CR-11F
1964 - 66	Gas Tank	CR-11A
1967	Gas Tank	CR-11B
1968 - 70	Gas Tank, w/o EEC	CR-11C
1970 - 1971	Gas Tank, w/ EEC, Early 71, 4 Vents on Side	CR-11D
1971 - 76	Gas Tank, Late 71, 1 Vent on Front	CR-11E