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Plenum connections

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Old Sep 8, 2009 | 06:59 PM
  #1  
kendude33's Avatar
kendude33
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Joined: Nov 2008
Posts: 4
From: Georgia
Question Plenum connections

Does anybody have access to a diagram that tells what hooks up to the connections on the bottom of the upper intake plenum? I have an 87 GT and have 8 connections to figure out. 6 primary and 2 secondary. I know - should have labeled them as I was taking it apart - long story. Any help would be appreciated
Old Sep 8, 2009 | 08:26 PM
  #2  
Tony71502's Avatar
Tony71502
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Joined: May 2007
Posts: 2,459
From: Pittsburgh
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A rear line feeds the vacuum tree. This is a larger line.

A rear line feeds the EGR vacuum. This is a small line.

A front line is for the fuel vapor(charcoal cylinder) line.

A larger hose on the rear of the intake goes to a hole on the back of the lower intake directly behind the runners.

I can't think of them all right now.
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