vacuum line diagram
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Joined: Mar 2013
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From: Greece
Car: 1982 trans am
Engine: 4bbl carb 305 v8
Transmission: 3 auto
vacuum line diagram
I have a 305 V8 engine with Rochester 4 Barrel Carb.
Most of the vacuum ports are closed. I want to re-use all vacuum ports and for that i need to know where these ports connect to engine peripherals.
Any diagram to show and describe vacuum lines?
Most of the vacuum ports are closed. I want to re-use all vacuum ports and for that i need to know where these ports connect to engine peripherals.
Any diagram to show and describe vacuum lines?
Joined: Sep 2005
Posts: 27,998
Likes: 2,485
Car: Yes
Engine: Usually
Transmission: Sometimes
Axle/Gears: Behind me somewhere
Thread Starter
Junior Member

Joined: Mar 2013
Posts: 59
Likes: 0
From: Greece
Car: 1982 trans am
Engine: 4bbl carb 305 v8
Transmission: 3 auto
Re: vacuum line diagram
thank you very much. Many carb diagrams but what do i need to know for my carb to choose the most appropriate?
Rochester 4bbl is an 82 year carb ? So do i choose the 82 carb diagram?
If i look for a code in carb surface maybe i can find out year it had been manufactured?
Rochester 4bbl is an 82 year carb ? So do i choose the 82 carb diagram?
If i look for a code in carb surface maybe i can find out year it had been manufactured?
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MikkoV
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Sep 9, 2015 04:25 PM







