5-6 port ?
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Engine, Not Motor
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Originally Posted by infinidreams
i have an 87 na and was wondering what are the pro's/con's of closing the 5th 6th ports by removing air pump?
<MaTT
<MaTT
Also, the ports in the '86-'88 are primarily opened by exhaust backpressure, so the air pump really doesn't have much to do with it.
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