You may be able to unplug them with small wires. I once had a car with a 2 barrel Holley, and the idle air bleeds on top of the carb were so small that about every 6 weeks I had to spray the top of the carb with Gumout to get it to idle smoothly! Finally changed manifold and installed a 4 barrel Carter Thermoquad and eliminated the problem while also improving gas mileage and power! The racers love Holleys but I've found them to be pretty temperamental for daily street use.
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