Join Date: Sep 1999
Location: Austin, Texas
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Re: Help identify circled item in emmis. diagram>
Well I am not positive, but that looks like the port on the side of the intake manifold just below the carb, and just above the EGR. There is a threaded hole in the intake and the circled item screws into the hole. The circled item has a small port for 1/4" tubing coming out of the side and a large port that is either plugged or has a connector for the power brakes. Let me know if I have been unclear.
EDIT: The 1/4" port provides manifold vacuum for the distributor advance, and the other items down the line in the diagram.