V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

What is this???

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Old Jul 19, 2003 | 09:59 AM
  #1  
Fastcam's Avatar
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Joined: Apr 2003
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From: New York
Car: 1986 Z28
Engine: 305 LG4
Transmission: 700 R4
What is this???

On my 87 camaro 2.8 i broke this 3 way valve thing that is on the back top off my motor!! When it is off my car runs really bad but when i hook it back up it runs really good!! What is it??? I want to replace it but i don't know what it is! Thanks!!
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Old Jul 19, 2003 | 10:29 AM
  #2  
Doward's Avatar
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Joined: Aug 2002
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From: Gainesville, FL
Car: 1988 Chevy Camaro Hardtop
Engine: Turbocharged/Intercooled 3.1
Transmission: World Class T5 5 Speed
Re: What is this???

Originally posted by Fastcam
On my 87 camaro 2.8 i broke this 3 way valve thing that is on the back top off my motor!! When it is off my car runs really bad but when i hook it back up it runs really good!! What is it??? I want to replace it but i don't know what it is! Thanks!!
Sounds like the vacuum tree?
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Old Jul 19, 2003 | 05:06 PM
  #3  
Lee7's Avatar
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Car: 88 BMW 535i
Engine: 3.5L M30
Transmission: 4HP22E
Re: Re: What is this???

Originally posted by Doward
Sounds like the vacuum tree?
yeah, i was thinkign that too.

Is i the T connector thing on the back of the intake plenum? if so, it is a vacuum line thingy.

You should be able to find a replacement at a hardware store, or maybe even an automotive store.
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Old Jul 20, 2003 | 07:29 AM
  #4  
Fastcam's Avatar
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Joined: Apr 2003
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From: New York
Car: 1986 Z28
Engine: 305 LG4
Transmission: 700 R4
Hardware store??? Should i replace the tubeing if it is a little dry rotted?
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