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Old 02-15-2010, 01:36 PM   #1
Bruce88
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Join Date: Oct 2008
Location: Everett, WA
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Re: Ported vs. non ported vacuum?

The basic concept is there’s no vacuum at idle to the distributor and can be checked with a vacuum gauge with the engine at idle. The picture below shows the port on a Q-jet

Name:  Q-jet-throttle.jpg
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