1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Is this a semi-peripheral port 12A

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Old Feb 3, 2018 | 01:46 PM
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From: Buford, GA
GA Is this a semi-peripheral port 12A

Is this a semi-peripheral port 12A-20180203_144319.jpg


Easy question. I pulled engine, pulled the intake manifold and found a surprise.
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Old Feb 3, 2018 | 03:22 PM
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It's not a p-port. They all look like that. Surprised?
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Old Feb 3, 2018 | 03:36 PM
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Originally Posted by Jeff20B
It's not a p-port. They all look like that. Surprised?
I've never taken one down that far.
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Old Feb 3, 2018 | 06:38 PM
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that's how coolant passes thru the stock intake. just put some 20mm freeze plugs in them.
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Old Feb 4, 2018 | 10:01 AM
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No don't block them unless you fill the ACV port.
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