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| What goes to vacuum tree (manifold vacuum)? https://slantsix.org/forum/viewtopic.php?t=25445 |
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| Author: | 00spy [ Fri Oct 19, 2007 5:52 pm ] |
| Post subject: | What goes to vacuum tree (manifold vacuum)? |
Hi I have a 1981 Dodge D-150 Pickup, and I have re-installed the vacuum hoses. I have a Holley 1945 carburetor. I was wondering what all goes to the vacuum tree. I do not have power brakes or air conditioning, and according to the vacuum diagram on the fender, no hoses from the vacuum amplifier go to the vacuum tree. I know the cruise control goes there and also one of the ports on the carb goes to it. I had to replace the previous vacuum tree (four ports) because it broke. Any ideas on the other two smaller ports? Thank you for any help, David |
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| Author: | SlantSixDan [ Fri Oct 19, 2007 6:35 pm ] |
| Post subject: | |
Unused ports simply get plugged with a quality rubber vacuum cap. There were manifold trees with various numbers of ports, not all of which are necessarily used on your application. There should be a vacuum hose from the manifold to the EGR vacuum amplifier. |
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| Author: | 00spy [ Fri Oct 19, 2007 6:56 pm ] |
| Post subject: | |
Thats what I thought. On all the diagrams i seen online it is . The diagram on my truck shows one hose (white stripe) goes to egr. One hose (yellow stripe) goes to carb , and one hose (orange/red stripe) goes to side port on vacuum solenoid . just another question Dan , on the diagrams I have seen online the front port on the vacuum solenoid that sticks straight out say bleed . Does that mean cap it ,leave it alone ,or do something with it. Thanks Dave |
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