1967 Mercury Cyclone 390 FE motor. I have an old Offenhauser Ford FE 390 intake manifold with two fours (aka: dual quad or 4x2 carb setup). It has a "Y" hole in the back of the intake. Is there anything I can use to block this hole off?
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Hi and Welcome. Your question is hard to understand - please edit it carefully paying attention to spelling and punctuation.– mike65535Jan 10, 2019 at 14:54
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Mike65535 I don't really need to change it up Mike if you were a mechanic in the fifties and the sixties you'd already know what it is there's only two holes in the intake manifold that's a thermostat hole in the blow by hole– user44796Jan 10, 2019 at 19:34
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Please improve your question.– Solar MikeJan 10, 2019 at 21:40
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Welcome to Motor Vehicle Maintenance & Repair! Is this the manifold you're talking about? I take it the hole you're talking about is on the unpictured side in this image?– Pᴀᴜʟsᴛᴇʀ2 ♦Jan 10, 2019 at 22:22