1966 389 Tripower Vacuum question - Pontiac GTO Forum
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post #1 of 3 (permalink) Old 07-04-2018, 04:12 PM Thread Starter
 
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1966 389 Tripower Vacuum question

Hi everyone, I am hoping someone knows about the vacuum lines on my 1966 tripower. I recently purchased this old beauty and I am starting to restore. The engine runs not bad. But on the rear carb passenger side there is a carb stud that has a hole in it. I think it is supposed to be capped because my car is manual transmission. The previous owner short piece of vacuum hose on it and jammed a tee in it.

doesn't see like that is correct. Can someone tell me what vacuum hoses need to be run and where or if there is access to a vacuum schematic.

any help is greatly appreciated.
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post #2 of 3 (permalink) Old 07-04-2018, 07:41 PM
 
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Originally Posted by opieone28 View Post
Hi everyone, I am hoping someone knows about the vacuum lines on my 1966 tripower. I recently purchased this old beauty and I am starting to restore. The engine runs not bad. But on the rear carb passenger side there is a carb stud that has a hole in it. I think it is supposed to be capped because my car is manual transmission. The previous owner short piece of vacuum hose on it and jammed a tee in it.

doesn't see like that is correct. Can someone tell me what vacuum hoses need to be run and where or if there is access to a vacuum schematic.

any help is greatly appreciated.

Lot of great info on our forum is you use the "Google Custom Search" box in the upper right. Click on this link for example: https://www.gtoforum.com/f12/1966-tr...acement-78762/
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post #3 of 3 (permalink) Old 07-11-2018, 05:53 PM
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Usually, that hollow stud is there to supply vacuum to the vacuum advance can on the distributor.
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  Pontiac GTO Forum > The 1964-1974 Pontiac Tempest, Lemans & GTO > 1964-1974 Tempest, Lemans & GTO Complete Engine Compartment Discussion

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