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  #1  
Old 11-04-2024, 07:02 AM
PopTHAThamJ PopTHAThamJ is offline
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Join Date: Nov 2024
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Default Vacuum hose help

How’s it going everyone I recently just inherited a 80 Trans Am with the 301 N/A and I’m trying to figure out some of the vacuum stuff on the car. I have the power brake vacuum hooked up correct and I’m just trying to figure out if I have everything hooked up right on the vacuum tee that’s in the back of the spacer. I have the vacuum advanced for the distributor,vacuum for the trans, and choke vacuum put I can’t figure out what hooks up to the other side or is it just capped off? Also the 3 vacuum ports on the front of the carb I know one is for the egr but what are the other two for? Lastly the the blue plastic piece with the vacuum ports where do they go and what are they for? I have pictures of everything I have questions about/ listed. I’ve tried looking at multiple vacuum diagrams and google but can’t get any straight forward answers. Pics included TIA.
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  #2  
Old 11-04-2024, 10:17 AM
quizkid32's Avatar
quizkid32 quizkid32 is offline
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Default

found this.
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  #3  
Old 11-08-2024, 02:43 PM
Joe's Garage Joe's Garage is offline
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Default That unused small port on the vacuum tree is probably for the AC vacuum system.

Pontiac usually hooks those up to the back of the carb on the vacuum tree.

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