I am starting another thread on this to see if I can catch some more eyes.

My ALDA banjo (alda side not manifold side) has a nipple on it and a vac line that runs to the vac system. Is this normal?

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1995 E420 Schwarz
1995 E300 Weiss
#1987 300D Sturmmachine
#1991 300D Nearly Perfect
#1994 E320 Cabriolet
#1995 E320 Touring
#1985 300D Sedan
OBK #42