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#1 |
Senior Member
Join Date: Feb 2011
Location: Lincoln, Nebraska
Posts: 2,011
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I've started working on cleaning up some C-4 spark plugs. After taking several of them apart I've noticed that there are numbers towards the bases of the porcelain that are hidden when they are assembled. Most have a number but some do not.
Any idea as to what the numbers represent?
__________________
Dave / Lincoln Nebraska |
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