hi am also a munga owner/the date of yours should be on the nato plate which is on the rear of engine bay above the 2 batteries.most seem to be dated 1963 - 65>>>>goood luck!
hi always a pleasure to welcome beetle people /i have an oldie !! there great ! what about a vw 181? military /tax extept if pre 72 and 100% vw !! SORTED.