Intake manifold

Hey guys so I am new here and I will likely be asking a lot of questions. I will just say thank you now and later as well. I am swapping a 6.0 LS and the T56 from a 2006 GTO into my 1967 Camaro. I am going hydro boost on the brakes and am going to use DBW for throttle. Here is my current issue. There is a dual port on the back of my intake manifold. It has a large port that is a 90 deg elbow that goes to the brake booster and a little port that I just noticed is 2/3 broken off what should I do.


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The smaller port is for HVAC controls. Also depends on the size of the port could be your MAP sensor unless it's been moved to the front.

You can try to plastic weld a new one on or cap it off and find a new place to port the HVAC vaccum.


If you can post a pic (use flicker).