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 Need to plug smog tube holes
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kevintee
New Member

United States
5 Posts

Posted - 04/28/2017 :  08:42:36 AM  Show Profile  Reply with Quote
The smog tubes on our boy scout bus are rusting out and not available. Can any of you old timers tell me where to get plugs to plug the manifolds on a 1989 GMC 6L?

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busrench
Active Member

31 Posts

Posted - 04/28/2017 :  10:11:20 AM  Show Profile  Visit busrench's Homepage  Reply with Quote
Seems to me, I remember seeing old spark plugs threaded in those holes.
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slippert
Top Member

USA
630 Posts

Posted - 04/28/2017 :  10:57:22 AM  Show Profile  Click to see slippert's MSN Messenger address  Reply with Quote
I have welded the plugs shut on smog tubes of my own vehicles back in the day..., if ur good you can break tubes off and weld hole shut without taking plugs out....
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sob
Senior Member

USA
91 Posts

Posted - 05/01/2017 :  06:26:21 AM  Show Profile  Reply with Quote
Seems to Dorman Products offered plugs for those, IIRC.

B
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