Question: Intake / Vacuum Hose Routing

[l81c3vette]

1981 350 with edelbrock performer intake manifold.

There are three vacuum hoses (vent lines maybe?) mounted to a three way fitting. This fitting is in the rear of the manifold behind the carb. The way they are routed makes the hoses cross over each other and im trying to clean up the look under the hood. My question is this. Can these hoses be reversed? Im not sure if this fitting is regulated or just a general fitting.
Thanks for your thoughts.
Ron

 

[minifridge1138]

It just looks like a regular fitting to me.

If you have a vacuum gauge you could always compare the vacuum at each point and see if they are equal.

Good Luck!

 

[wishuwerehere82]

The fitting is a thermostatic controlled valve/switch.
At least that is what it looks like to me.
ON SECOND THOUGHT, MAYBE NOT.


The hose with the steel line hooked to it is the constant vaccuum source for the transmission..
Make sure the one that is always providing vacuum goes to the transmission.
If all the lines are wide open to intake vacuum, then they can be interchanged.

 

[gmjunkie]

ON SECOND THOUGHT, MAYBE NOT.

Yep,Maybe not!! Thats just and old standard GM vacuum tree!! There will be no problem switching the hoses around!!

 

[Vette79]

I just did this a few months back. I actually purchased a different type of tree to accomplish the same thing. I didn't like the idea of the bending and kinked hoses. Plus it looks cleaner.

 

[LVMYVT76]

You can go to a site like DR REBUILD and they show how the hoses looked from the factory.