Justin - GM had factory air units in the cars by the mid 50's, so a dealer would no doubt have been able to get it in the truck as well, or just install a car unit, especially with the V8 - you might try to find info on 58/9 car AC
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics
