Champion 3 Plugs

Fred

Fred

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Does any one know what the Champion 3 Plug was used for ??.. NOT to be confused with the 3X, But it came in the same base parts as a 30-31 "A" Ford would have.. It is NOT the 28-29 style plug..:confused:
 
I have a list that came from MARC or MAFCA magazine long ago that has drawings and it states:
Thick Hex # 3 used from 10/'27 to 1/'29
It is the same looking as 3X but has a 3 on it and underneath Made in USA


Hope this helps
 
More information: The Champion 3 spark plug drawing has a tracing date of 10-24-26, whth changes through 5-17-28. It is identical to the Champion 2 design except for the added shell skirt and lengthened insulator, designed to extend the plug deeper into the combustion chamber.
The Model "A" Spark Plug by Ed Eaton, Winston Salem, NC
I think it came out the MARC magazine.
 
They are 100 % 30-31 shape, came out of 30-31 bases as used with the 3Xs, But with only a 3.. The made in U.S.A. is on the back side as normal..
 
As stated above:

More information:

The Champion 3 spark plug drawing has a tracing date of 10-24-26, whth changes through 5-17-28. It is identical to the Champion 2 design except for the added shell skirt and lengthened insulator, designed to extend the plug deeper into the combustion chamber.
The Model "A" Spark Plug by Ed Eaton, Winston Salem, NC


.
I think it came out the MARC magazine.
 
Joop said:
Picture please.


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Click to expand...

JOOP ........................
I have a few Champion 3 plugs. This is my cleanest one.
MIKE :)
 

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FRED ......................
You always state your opinion as fact. Please provide some documentation, so we will know for sure.
I have five "3" plugs with two different bases. Two have the thicker nut and 3 have the narrower nut.
These came from a building that was a junk-yard, that closed during WWII.
I'm thinking that they might have come both ways.
MIKE :)
CLICK ON PHOTOS TO ENLARGE - Twice
 

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I thought the the 3 was made for the Model T and the 3X was made specifically for the Model A. I am no guru so take this with a grain of salt, as they say.
 
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