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Ha ha! That is hokey!!! You should never T off your PCV. I assume the black hose goes to the brake booster. The booster and the PCV should go to the manifold. The after market manifold you are running should have ports in the back to make both work. Look and see if someone put plugs in these holes in the manifold. If so run your booster and your PCV into the manifold with there own hose and fitting.