Originally Posted by Cab_Burge
That bowl vent had a tube going to a canister filter that had lines going back to the fuel tank scope
Some of the early smog stuff wasn't so good whistling shruggy


As I understand it, technically it went to the valve cover breather, so both your fuel tank and carb were vented through the crankcase, which should be under negative pressure due to PCV. I figure keeping fuel out of the crankcase is a good thing, especially on cars that don't get driven much.