what's fishy about a 66 year old truck no longer having it's original engine? Tim pointed you to the GM 52 info where the code says the engine is a 52, so that tells you it's not going to match the details of your 47, no matter what series - the various other sites that have info [or not] mean nothing

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