likely the remnants of a PCV system someone rigged previously, maybe one hose went to the road draft and the other into the air cleaner - no telling what might have been done, but there was nothing like that from the factory - plug the holes or rig some use for them

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