TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

Vacuum Line Plug (open element ?)

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Old Mar 27, 2006 | 09:59 AM
  #1  
usamuscle892's Avatar
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Joined: Sep 2005
Posts: 275
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From: Augusta,GA
Car: 1992 Z03 RS
Engine: (L03) 305TBI
Transmission: TH-700R4
Axle/Gears: bone stock
Vacuum Line Plug (open element ?)

I understand that when I do the open element mod that I have to plug the vacumm line going to the TBI right? Well, what does a vacuum plug look like? Anybody got picks of their setup. Also, what do I use to cover up the hole in the exhaust manifold after that tube is gone? Any specific caps used or can I just leave it open. Also (this is getting monotonous) what kinda filter or plug do you use on the lefthand valvecover when you remove that tube going into the stock snorkel. Please you pics with your explanations, I learn best that way. I just want to do this thing right and not half-***.
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Old Mar 27, 2006 | 02:06 PM
  #2  
90CamaroTBI's Avatar
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Joined: Oct 2005
Posts: 874
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From: Waldorf, MD
Car: 91 Formula, 89 IROC
Engine: LB9, LB9
Transmission: 700R4, 700R4
Axle/Gears: Posi 2.73, Posi 2.73
I dont have any pictures but I just went to the parts store and asked for vacuum plugs and they led me to the HELP! isle with those parts, they will show you what you need. You can leave the hole on the manifold open as well. I bought a push in breather for my valve cover.
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Old Mar 27, 2006 | 11:19 PM
  #3  
vorgath's Avatar
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Joined: May 2005
Posts: 1,701
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From: San Diego, CA
Car: 1991 Camaro RS
Engine: LO3
Transmission: 700R4
Axle/Gears: 3.42 LS1
Which vacuum line are we talking about ?

I cut out my sensors and fittings and riveted them into the base of the new air base.
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Old Mar 27, 2006 | 11:40 PM
  #4  
xlwhellraiser's Avatar
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Posts: 2,122
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From: colorado
Car: 1992 Trans/am convertible
Engine: 305 TPI
Transmission: 700r4
Axle/Gears: 2.73 drum WS6
its to the right of the pvc valve hookup on the TBI!
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Old Mar 28, 2006 | 08:05 PM
  #5  
usamuscle892's Avatar
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Joined: Sep 2005
Posts: 275
Likes: 1
From: Augusta,GA
Car: 1992 Z03 RS
Engine: (L03) 305TBI
Transmission: TH-700R4
Axle/Gears: bone stock
Oh well, never mind, I got an Edelbrock 14x3" open element and open valve fliter on the car. Looks AWESOME!!! Did wonders for my LO3. I'll get picks when I can. Thanks guys.
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