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AIR tube plugs

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Old Aug 11, 2006 | 09:20 AM
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Default AIR tube plugs

(Sorry for the gigantic photos)

I’m installing a used replacement manifold in my ’79. For anyone that’s interested, here’s what happened to the original manifold:

http://forums.corvetteforum.com/show....php?t=1428841

My original manifold does not have AIR tubes but the replacement manifold did. I have three of the plugs, which appear to be the original fittings filled with brass or some other material. I need a fourth plug. I assume that these fittings are originally part of a complete AIR tube assembly, so I assume that these fittings were converted to plugs after the AIR tubes were removed.





Can I just use an NPT type threaded plug? If so, any idea what size or thread I need? If not, can anyone think of another option?

Thanks,
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Old Aug 11, 2006 | 11:56 AM
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You can use NPT 1/4" brass plugs available at your local hardware store. I like going to Home Depot for car parts.

Here is a link to a picture of what you are looking for:

http://airinc.thomasnet.com/item/fit.../109c?&seo=110

Last edited by Crash80; Aug 11, 2006 at 12:05 PM.
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Old Aug 11, 2006 | 09:56 PM
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I used regular steel pipe plugs with the extended head for a wrench, not the recessed ones. Then I ground them down flat and painted the whole manifold.
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Old Aug 12, 2006 | 07:04 AM
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I used regular plumbing plugs. Took the manifolds to sears hardware and matched them up.

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