Why 4 Intake manifold runners?
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From: Utah
Intake manifold runners
I have a quick (stupid) question about the intake manifold runners. Why are there 4 if there are only 2 chambers for combustion? the middle 2 look s like they loop back into each other? Can someone elaborate for me?
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Joined: Jun 2001
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From: Charleston SC
The 4 runners are for the primary and secondarys. the intake on our/most rotarys have a port on both sides of the chamber. ie one is on the left and one is on the right. The pri/sec part is handled by the progressive throttle plates in the throttle body.
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rgordon1979
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Mar 15, 2022 12:04 PM