don't hold it to me, but I believe the ones with the neck on the elbow are earlier years/bigger trucks, the 5-9's I've seen look nearly identical to the Chevs except the mount flanges differ - I think the one labeled GMC here came out of a 59 front clip I got with a load of parts

Bill


Moved over to the Passing Lane

"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