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budbudford · 05-30-2006, 09:44 PM

I recently picked up a GT-40 upper and lower manifold second hand, but I am puzzled. All that I have is the upper and lower intake plus a vacuum tree.

When I am looking at the underside of the upper intake, there are 4 threaded holes, two on the middle underside of the tubular section. It's obivious that the vacuum tree goes there on one side, but what goes on the other? Do I plus the other one?

On the upper section, one of the holes has a threaded plug in place, and the other is open. Do I plug the open one too?

Does anyone have any install experience with this intake? Any help is appreciated.

05-30-2006, 09:44 PM	#1
budbudford Registered Member Join Date: May 2005 Posts: 16	GT-40 install help I recently picked up a GT-40 upper and lower manifold second hand, but I am puzzled. All that I have is the upper and lower intake plus a vacuum tree. When I am looking at the underside of the upper intake, there are 4 threaded holes, two on the middle underside of the tubular section. It's obivious that the vacuum tree goes there on one side, but what goes on the other? Do I plus the other one? On the upper section, one of the holes has a threaded plug in place, and the other is open. Do I plug the open one too? Does anyone have any install experience with this intake? Any help is appreciated.