1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Vacuum system help needed

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Old Dec 30, 2003 | 12:50 PM
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Stratoflattener
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From: Lincoln, NE; Cambridge, MA
Question Vacuum system help needed

So, I'm just finishing up my carb rebuild, when I run into this little problem. There are five lines of various sizes running into the blue air box, and I've gotten all of those no problem, but I have one extra hose which runs out into the engine bay after snaking along the firewall, and I have no idea where it's supposed to hook up. I've looked and looked and looked, and can't find any empty places it could go.

The line in question is the very rubbery (more floppy than most of the vacuum hoses) one denoted in red in the enclosed picture.
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Old Dec 30, 2003 | 12:52 PM
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PM me if you need to see the full 2 megapixel (1600x1200; 1 MB) image, and I'll email it to you.
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Old Dec 30, 2003 | 12:55 PM
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It doesnt go to a hard line that runs along the firewall right? Its rubber all the way? Does it terminate at the sub zero tank? (Below the cruise control) Its the discharge hose if so. It normally goes to a nipple on the carb, between the 2 OMP nipples. Usually the whole system can be shitcanned, unless you have some sick emotional attachment to it.
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Old Dec 30, 2003 | 01:02 PM
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Thanks. It is rubber the whole way. It runs back to the firewall, and then away from the driver to the opaque plastic tub right next to the firewall attachment point for the big A/C hose in the picture (if thats the sub zero tank, then cool). Is that think above the tank toe cruise control, though? I thought the cruise control was on the opposide side of the engine bay (the little servo that has a steel cable going to the carb that goes fweeee fweee when you move it back and forth).

Oh, and I also found the nipple on the carb between the OMP lines thats missing a hose.

Thanks Carl.
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