Quote:
Originally Posted by The Radium King
understood. however, is there an optimum amount of vacuum that perhaps gets exceeded in certain situations? also understanding that vacuum is not flow, so static vacuum would be maintained regardless of the size of the orifice. reducing the orifice would only limit the rate of change of vacuum level.
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The intake system is only capable of generating vacuum in a limited range; hooking up a vacuum gauge and watching swing while driving will demonstrate the point. Placing an orifice in a vacuum line will slow the rate of vacuum development, but not prevent it from reaching its maximum level.
Point here is you are trying to control oil consumption into the engine under certain conditions usually met on the track. Rather than trying to restrict the vacuum, work on controlling the oil movement...............