Hey Bolters, I had a little time off and spent a little time on the bus. Specifically rebuilding the carb, a Rochester BC. One unusual thing, and something that was commented on, is the extra port on the choke body. It has the normal "hot air tube" port on the one side coming up from the throttle body portion of the carb. But then, directly opposite of that is another port. Looks like 1/8 NPT male. There was nothing connected to it and nothing that looked like it was supposed to in the engine bay.
As you will see from the picture, mine is broken, and looks like it has been for some time. If it is important I could try to drill and tap a new fitting in. Looks like there is enough meat on there to try.
Any ideas as to what that is?
While I am asking questions, I also seem to be missing the internal Vent Tube in the air horn. Does anyone know if they always had them? All the pictures show them but mine just has the angled hole in the horn.
But, not all bad news. I did the rebuild anyways and put it back on. What a difference! No more backfires, the engine ran smoothly and sounded great. Still having some issue with fuel supply but I suspect the pump may be the culprit.
Fernie Fat Tony 1954 Prevost Bus on Chevy Big Bolt chassis, engine and driveline. A Big Bolt in disguise. Follow the story in Big Bolts
