Guest imported_MikeWilliamsUK Posted July 8, 2005 Share Posted July 8, 2005 On the top of the manifold of my '38 Zephyr, just behind the carb, is a large nut with a threaded hole in the centre. What is this for and what should connect to it?Mike Link to comment Share on other sites More sharing options...
DizzyDale Posted July 8, 2005 Share Posted July 8, 2005 Dear Mike,Source of vacuum for Columbia and or wipers.diz Link to comment Share on other sites More sharing options...
Guest imported_MikeWilliamsUK Posted July 9, 2005 Share Posted July 9, 2005 Thanks Diz. So, if I connect the Columbia to the pipe which comes out the side, using a rubber hose, and I have an electric wiper motor, I can just put a screw in the top to blank it off? Do you happen to know the size thread? Mike Link to comment Share on other sites More sharing options...
DizzyDale Posted July 9, 2005 Share Posted July 9, 2005 Dear Mike,Sorry i don't know.diz Link to comment Share on other sites More sharing options...
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