Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - O.K., What should I do with the modulator line??
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Old 06-25-2003, 05:03 PM
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I assume you are working on a PONTIAC and went from a ROCHESTER to a HOLLEY? And there is no manifold port on the HOLLEY?

You will need to source manifold vacuum at the carb, spacer or intake manifold to have the modulator valve work correctly.
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