C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

85 Vacuum Routing HELP!!!

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Old Apr 8, 2007 | 06:43 PM
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Gregory VanLare's Avatar
Gregory VanLare
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From: Farmington NY
Default 85 Vacuum Routing HELP!!!

I just replaced the injectors in my 85 and I thought I had all of the vacuum lines well labeled until I began to put it back together!! On the right side the vacuum line that plugs into the T that goes into the back plug on the plenum came disconnected and broke. I had an extra from the last time I had it apart but don't know how to route it. It came apart at the front end on the left side so I'm really lost!! Does anyone have a diagram that will help me figure out how to hook up all of the vacuum lines again. I am also questioning the routing to make them all fit around the runners and fuel rail is greatly needed. Any help will be greatly appreciated. I'm thinking a cold one is the only way out tonight but I want to get it back together tomorrow night if I can. Thanks.
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Old Apr 8, 2007 | 09:21 PM
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I have my plenum and runners off at the moment, so I'm jogging through my memory of what you're asking... the only T fitting I can remember near the rear was the one that came off the plenum into the T fitting... from there one part of the T goes to the fuel pressure regulator and the other line goes to the air diverter valve.

The only other T I had was the one that plugs into the TB.

Hope that helps.
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Old Apr 15, 2007 | 02:43 AM
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From: San Diego , CA Double Yellow DirtBags 1985..Z51..6-speed
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Check the sticker on your radiator shroud.

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