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vac. system on 350

d oquinn's Avatar
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04-22-02, 08:29 PM   #1  
d oquinn
vac. system on 350

I am rebuilding a 350 in a '81 gmc truck, when I bought tre truck the vac system was bypassed or missing, I am trying to get it reconnected but am not sure where all the hoses go. I was able to get it running for about 2 months however it now stalles whenever it is put in gear however runs fine in park or nuteral. oh yes it is an auto. trans.

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04-23-02, 05:43 AM   #2  
You should refer to the underhood vacuum/emission diagram for the proper hookup.

You can also check the links in my signature file below for some ideas or pick up a repair manual for the truck which will have the emission diagram.

Start there and tell us what you find.

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