Today is a learning experience. Some new questions.

[Buckthetruck]

I learned today that my '65 has a '60-'62 i235 in it. I ordered gaskets for a 230 and they are wrong. But it leads me to more specific questions now. There is no vacuum line coming from the port on the master cylinder, where should it be going to? The "disc" below the carburetor is also missing the vacuum line, where should it lead to? There is a connector for something electrical just above the exhaust manifold, what is that connector for? I am assuming that it has something to do with the engine temp sensor.

And lastly, most importantly now, the two bolts that hold the intake manifold to the exhaust manifold sheared off when trying to loosen them. What is the best way to get these out now?
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[Captainfab]

I think we need some pictures of what you are talking about so we can better visualize the items in question.

[LT1 Burb]

The booster is probably not stock but either way it needs to be tied to manifold vacuum, the line under the carb could be either distributor or trans kickdown if its an auto and the connector above the exhaust is either temp or oil if you have idiot lights. Center punch the broken bolts dead center and start drilling and back them out with an easy out after heat is applied.

[blood62]

weld a nut through the nut hole onto the broken bolt that will heat it up and will not brake off inside like the easy out and then be impossible to remove