Make sure first tht the intake has no leaks or able to get outside air besides the filter! Or your maf will not detect tht air flow cuasing ur car to run lean. Also the vacuum hose for the brake booster is located behind the intake manifold by the air idle control valve.
And the one for the valve cover is for emmisions and air pressure in the cover, ur not bosting so u can jus put a filter on it or connect it back to the intake.
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