1) Ported vacuum would have been on the front carb on a Spridget.
Barbed pipe pointing horizontally frontwards near the top of the mounting
2) The overflow was "intended" for fumes, not liquid. If you have a charcoal
cannister, there would have been a pipe and some hoses to connect these to
the cannister. Their purpose was to cease venting gasoline fumes to the
atmosphere. Earlier carbs has a vent hole with an aluminium cover over it to
keep debris out.
1972 RWA Midget
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