In my 60, I used the Crites fibergalss tank with NO problems. Same as 61, 62, 63, 64. Only thing i had to do was cut the fillerneck off of my original tank and attach it to the fiberglass one, also had to use a modern ( meaning 64 Galaxie ) gas cap, as the original 60 had a vent tube. The fiberglass is nice and sturdy, well built.