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305 TBI air cleaner vacuum line

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Old Jun 29, 2024 | 10:38 PM
  #1  
87irocz28350's Avatar
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From: Simi Valley, CA
Car: 1989 Camaro RS
Engine: 305 TBI
Transmission: 700R4
Axle/Gears: 2.73 open
305 TBI air cleaner vacuum line

Hi

I have a 305 TBI that I believe to be all stock. I am going around and checking all my vacuum lines and the one that is meant to go to the air cleaner and then to the little attachment on the arm of the air cleaner is not attached to anything. There is a vacuum line from the little attachment on the arm, to under the air cleaner but then nothing on the other nipple at the air cleaner. I have attached a photo below.

Is it right that the pictured empty vacuum nipple on the air cleaner is basically a pin hole? If so, which side is meant to be connected to the intake, and which to the attachment on the arm of the air cleaner? Because the other nipple is not a pin hole like that one, it’s a normal vacuum line attachment


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Old Oct 4, 2024 | 03:33 PM
  #2  
87irocz28350's Avatar
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Posts: 69
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From: Simi Valley, CA
Car: 1989 Camaro RS
Engine: 305 TBI
Transmission: 700R4
Axle/Gears: 2.73 open
Re: 305 TBI air cleaner vacuum line

bump
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Old Oct 7, 2024 | 09:55 AM
  #3  
DynoDave43's Avatar
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From: MICHIGAN
Car: 1988 Trans Am
Engine: L03
Transmission: 700R4
Axle/Gears: 10 Bolt 2.73 Open
Re: 305 TBI air cleaner vacuum line

Had to go pull the air cleaner to get a photo. Looks like you have the hard plastic line going from the nipple underneath to the vac. motor on the snorkel. What you appear to be missing is the rubber vac. line running from the other nipple to the base of the throttle body.




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