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Posted on Apr 21, 2010
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I need a vacuum line diagram

I need a diagram for the correct routing of the vacuum lines on a 1977 chevy 454 v8 q-jet carb.

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  • Posted on May 01, 2010
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Need vacuum line diagram for a 1974 chevy truck 6 inline 250

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  • Posted on Apr 21, 2010
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Use a industrial vacume tester, check each port coming off of the manifold, run your lines.

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What is the routing for vacuum lines underhood for a 350 4barrel carb V8?

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I have a 1986 gmc 2500 van and my vacuum lines are crossed up and i need help uncrossing them

Carb vacuume lines? I can direct you to a holley website .... it has a diagram that has the q-jet vacuume routing all you have to do is look at the diagram then scroll down and look at the number to see where it goes.

http://www.holley.com/data/Products/Technical/199R9881.pdf

Hope this helps.
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