Does manifold vacuum increase with RPM?

Question

Since vacuum varies with load, not RPM, increasing speed gradually will keep the vacuum high. Closing the throttle makes the vacuum go high, opening it reduces the vacuum.

HomeX · Answer

Since vacuum varies with load, not RPM, increasing speed gradually will keep the vacuum high. Closing the throttle makes the vacuum go high, opening it reduces the vacuum.

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Does manifold vacuum increase with RPM?

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