Spark Plugs

Farmall Super A, AV, 100, 130, & 140 1939 - 1973

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allenlook
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Spark Plugs

Postby allenlook » Sun Mar 19, 2006 5:42 pm

Looks like the spark plugs are the same for the Cub as the Super A and a bunch of other tractors - ?AutoLite 3116 or Champion D15Y?

One poster says
Autolite 3116 work equally well and cost much less but the metal base is not corrosion resistant like the Champions.
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Postby John *.?-!.* cub owner » Sun Mar 19, 2006 10:21 pm

according to the local auto parts store where I get tune up items, cub, A, B, C, H, M, as well as the Super version of them all used the same plugs. and I have seen cubs with the Autolites in them that were severly rusted. in a short time.
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Postby LiL' Red » Sun Mar 19, 2006 10:52 pm

I would suggest a hotter plug than the 15 unless the engine is in perfect condition and you intend to work it hard. 16's have worked well for me, if it's a smoker you may want 18's.

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Postby allenlook » Mon Mar 20, 2006 9:31 am

Yes, it's a smoker, all right. I'm going to try to get it to quit :D

Rebuild kits don't look all that expensive.
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Postby John *.?-!.* cub owner » Mon Mar 20, 2006 9:37 am

For occasional or light duty use I would reccomend D21 plugs.
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Postby allenlook » Mon Mar 20, 2006 10:44 am

D15, 16, 18, or 21...

Considering this is a hard smoker, I'm assuming the higher number is better? The Champion site recommends the D18Y, with the Y denoting an extended base, I think...

I'm going in a few hours to buy the plugs - can we get a concensus? :D
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Postby Dale51 » Mon Mar 20, 2006 11:07 am

allenlook wrote:D15, 16, 18, or 21...

Considering this is a hard smoker, I'm assuming the higher number is better? The Champion site recommends the D18Y, with the Y denoting an extended base, I think...

I'm going in a few hours to buy the plugs - can we get a concensus? :D


Allen,
I have used both but champs are easer to find it seems.
I would go with D21 as John suggested.
PS: when you get it all fixed up you will want new plug again.
If it's been broken I did it.
If its not broken wait till I touch it.

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Postby Don McCombs » Mon Mar 20, 2006 11:51 am

D21
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D18Y

Postby allenlook » Mon Mar 20, 2006 2:59 pm

As it turns out, the highest they had was D18's, so I picked up 4 for now and I will switch them over once I get the darn thing started and running.
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John *.?-!.* cub owner
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Postby John *.?-!.* cub owner » Mon Mar 20, 2006 7:25 pm

if you have a mag, do not use resitor plugs. thye used to be denoted by an R on the end of the number, but don't know if they still use that or not.
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Postby allenlook » Mon Mar 20, 2006 8:46 pm

Got a distributor on this one.
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