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What is this port on Vortec TPI base

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Old 03-08-2021, 10:14 AM
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Car: 1992 Camaro Z28 Convertible Z03
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What is this port on Vortec TPI base
I'm trying to figure out what a hole in my Edelbrock TPI base is for. This is just a random picture I found online and it appears to be plugged but my Edelbrock Vortec TPI base I am putting on an engine currently has an open port near the distributor. Not the hold down bolt but similar in size. I circled it in this picture. What is it for? Should I plug it also as whoever's picture this is did?

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Old 03-08-2021, 10:17 AM
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Car: 1967 Camaro, 91 z28
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Re: What is this port on Vortec TPI base
1/8 npt used on the c4 coolant to overflow.
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Old 03-08-2021, 10:24 AM
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Car: 1992 Camaro Z28 Convertible Z03
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Axle/Gears: 2.73
Re: What is this port on Vortec TPI base
Awesome, thanks
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