GRANDExLBC
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I have this exact intake and I want to know what these two holes are for?
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intake manifold help
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barnett468
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you can use them for power brake and auto trans vacuum etc.
the pcv should go to the carb or carb spacer.
you can use them for power brake and auto trans vacuum etc.
the pcv should go to the carb or carb spacer.
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In your picture the one on the left is for a vacuum tree for power brakes, automatic transmission vacuum modulator, and air conditioning controls. The one on the right is typically plugged.
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