View single post by discogodfather
 Posted: 07-21-2020 05:08 am
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Joined: 09-17-2007
Location: San Francisco, California USA
Posts: 200
I just used yellow teflon tape when I rebuilt my head a few months ago, works great. Some aviation sealant No.3 is good as well.

Both those plugs are brass and can cross thread easily. They are tapered 1/8" NPT I believe, and you should only use actual plugs, which are available at plumbing places or home depot. If you use some odd bolt, it may block the passage. It's the same passage for both of the plugs, it's designed to clean out the passage on a rebuild. The plugs only go in a few mm's, anything further and it constricts or blocks the passage.