yes the roaddraft tube is a crankcase vent - factory would be a metal tube about 1.5" straight down .... in California it wouldn't be a suprise to find 235's with "PCV" devices of various designs, might even be factory

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