Spark plug qusetion

RAY PELL · Jan 22, 2011

I went to pull a plug today to check for spark and I am not quite sure what im looking at here
is this some kind of extention? I haven't started
this in about 2 years. (41 farmall A) anyway saw no spark.What should i check next?(12 volt). Motor turns over good. Thanks Ray

62champ · Jan 22, 2011

There were a set of these in the tool box of my SC.

Have been told they are something to keep the plugs from fouling out. Others probably have better information...

Janicholson · Jan 22, 2011

That is an anti fouling adapter that puts the spark plug farther away from the oil splatter, and (unfortunately) the combustion process. It is an attempt to keep a cylinder from going dead.
Put in new d-18 champs (or equal) and leave that out. If it fouls the plug either repair the engine or use the adapter. Jim

Bob M · Jan 22, 2011

I agree - looks like a 50's era "anti-fouling" plug adapter.

Toss those old plugs and adapters! Replace them with a hot plug like a Champion D21, Autolite 3116 or equivalent.

36 Coupe · Jan 24, 2011

plugs have to be hotter with unleaded gas.

Red Mist · Jan 24, 2011

(quoted from post at 15:30:42 01/22/11) I went to pull a plug today to check for spark and I am not quite sure what im looking at here
is this some kind of extention? I haven't started
this in about 2 years. (41 farmall A) anyway saw no spark.What should i check next?(12 volt). Motor turns over good. Thanks Ray

Well, basically, it means your engine is worn out and these adaptors were a last ditch attempt to coax a few more miles out the the old "Jenny" before she either went for a rebuild or went to the scrap-yard. Go ahead and give 'er a rebuild and she'll kiss you right on the lips, for another 50 years or so......
mike

Spark plug qusetion

RAY PELL

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62champ

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Janicholson

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Bob M

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36 Coupe

Well-known Member

Red Mist

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