Clearance for RPM Air Gap...

7milesout said

What I am questioning is: Right now the current filter base has a fitting in it, and it is plumbed to the passenger side valve cover. The driver's side valve cover is plumbed to the center fitting at the front bottom of the carburetor. The replacement drop base will not have a fitting on it. So I'm going to lose that vacuum attachment.

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Is the fitting not removable? Usually, at least on the air cleaners I have, that fitting is held on by two bolts. You would be able to unbolt it from the old air cleaner and move it to the new air cleaner base. Might have to pop the holes open though. I just bought a new drop base for mine and it already has the mountings for that fitting stamped. I would just have to drill them open.