the opening that i think you are talking about is the little oval opening below the large tb opening... that opening goes through manifold down to the lower manifold. you it is blocked off byt he egr elbow. you do not need this cuz the heat riser tube that comes up from header and is intorduced through the elbow..... i had that same problem when i installed mine
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ALL NEW PPG Torch Red 95GT, 304ci block, Forged pistons, Ported Explorer Intake, E-303 cam, fully ported and polished and milled E-7 heads, 75mm MAS, BBK Adj. fuel Reg & gauge, BBK Shorty Headers, BBK H-pipe, March Pulleys, 2 Chamber Flowmasters, Kenny Brown 6 point Roll cage, Kenny Brown Panhard Bar, Powerslot Rotors, PBR twin piston calipers, Eibach Sportline Springs, 180* Thermostat, 1/2 Plenum Spacer, MSD 6AL, MSD Master Blaster, MSD 8.8 Wires, 24# Racing Injectors, AFS 10.5" Cobra R's, Nit
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