Will the hood fit off a 1/2 ton? [/QB]
All '60 to '66 Hoods will interchange (conventional type), but there are at least 2 different types of hood latches. They should interchange too, but I never proved it on one.
An original '61 Hood is the "Cats Eye" type. I believe you can see some pictures of all the different hoods at Jolly's GMC site.