What do you know about Sterling Spark plugs?

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1925 Touring
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What do you know about Sterling Spark plugs?

Post by 1925 Touring » Wed Nov 05, 2025 7:54 am

What do you know about Sterling Spark plugs? I picked a set of eight up, still in the box and they are in very nice shape. They look a lot like a straight side Champion x. They are marked 1/2 inch for fords. From what little research I've done, I can't find much about them. Other than the fact that they're antiques spark plugs, which is kind of a given...
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Just a 20 year old who listens to 40 year old music, works on 75 year old airplanes and drives 100 year old cars.
The past is only simple because hindsight is 20/20.


Allan
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Re: What do you know about Sterling Spark plugs?

Post by Allan » Wed Nov 05, 2025 6:30 pm

A V8 model T Austin? What you have is TWO sets of four! :D :D :D Nice find.

Allan from down under.

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DanTreace
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Re: What do you know about Sterling Spark plugs?

Post by DanTreace » Wed Nov 05, 2025 6:47 pm

Some adv from FordOwner mag, 1918, compliments of Google Books search.

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The best way is always the simplest. The attics of the world are cluttered up with complicated failures. Henry Ford
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TMiller6
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Re: What do you know about Sterling Spark plugs?

Post by TMiller6 » Thu Nov 06, 2025 9:03 am

I was curious and looked up Jackson’s auto history. Through 1954, Jackson hosted 24 or 25 auto makers including Buick. When an auto maker would stop production, machinists stayed employed by making parts such as your spark plugs.

Jackson’s final auto offering? The Kaiser Darrin.
Tom Miller
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KWTownsend
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Re: What do you know about Sterling Spark plugs?

Post by KWTownsend » Fri Nov 07, 2025 10:44 am

IIRC, the extended length of the threaded part would indicate they were intended for the post 1916 "high" head.

I would not hesitate to use them. If nothing else, they are a conversation piece.

Keith


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Re: What do you know about Sterling Spark plugs?

Post by Scott_Conger » Fri Nov 07, 2025 11:01 am

For functional purposes, they should be fine

But after surviving for 100 years as brand new parts, there are cheaper alternatives to making a "T" run, while still preserving the plugs for display to future generations. If they are in fact put into service, I'd say the best bet would be to quickly throw away the boxes so as to destroy the evidence of their existence.

I have a small coin collection with some pretty spectacular condition 100 year old coins...every single one of them is perfect for making change, but why would I want to?
Scott Conger

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1925 Touring
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Re: What do you know about Sterling Spark plugs?

Post by 1925 Touring » Sat Nov 08, 2025 9:10 pm

Thank you everyone. Thank you Mr. Treace for the literature. I found very minimal information with the brief research I have done on these spark plugs. Frankly, very little information on any Sterling spark plugs for that matter. I do not plan on using them right now, they are a neat piece and I would like to find some way to display them, along with all my other Model T 'junk' I keep acquiring. ;)
Just a 20 year old who listens to 40 year old music, works on 75 year old airplanes and drives 100 year old cars.
The past is only simple because hindsight is 20/20.

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