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Farmall spark plugs


 
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Larry Flynt
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PostPosted: Sat Dec 08, 2012 1:50 pm    Post subject: Farmall spark plugs Reply to specific post Reply with quote

I garden with a 1953 Farmall Super A. After about 20-25 hours of use, the machine develops a miss. I go to NAPA and buy a new set of spark plugs, install them, and the tractor runs fine for about another 20 hours. The removed plugs still look good, not fouled, and as clean as can be expected. This scenario had been going on for years. Does anyone else have the same problem or answers??
 
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pete black
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PostPosted: Sat Dec 08, 2012 1:53 pm    Post subject: Re: Farmall spark plugs Reply to specific post Reply with quote

would by any chance they be champion?
 
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Royse
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PostPosted: Sat Dec 08, 2012 2:01 pm    Post subject: Re: Farmall spark plugs Reply to specific post Reply with quote

Larry Flynt wrote:
(quoted from post at 17:50:40 12/08/12) I garden with a 1953 Farmall Super A. After about 20-25 hours of use, the machine develops a miss. I go to NAPA and buy a new set of spark plugs, install them, and the tractor runs fine for about another 20 hours. The removed plugs still look good, not fouled, and as clean as can be expected. This scenario had been going on for years. Does anyone else have the same problem or answers??

Clean and dry your old plugs with a propane torch, then see if they work again.
You could also swap one new one in and see if the miss goes away.
If it doesn't, move it to the next cylinder until it does.
Run a compression test and see if that cylinder is weak.
At worst you would know which cylinder and only have to change one plug.
 
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rusted nuts
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PostPosted: Sat Dec 08, 2012 2:15 pm    Post subject: Re: Farmall spark plugs Reply to specific post Reply with quote

Bet they are.
 
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old
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PostPosted: Sat Dec 08, 2012 2:40 pm    Post subject: Re: Farmall spark plugs Reply to specific post Reply with quote

What plug are you using??? What is the number on the plug??? Tell use this and we maybe able to help you help your self. Now days this gas with alcohol in it fouls some brands of plugs so you have to use a hotter plug or a different brand of plug or both
 
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Larry Flynt
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PostPosted: Sat Dec 08, 2012 5:08 pm    Post subject: Re: Farmall spark plugs Reply to specific post Reply with quote

The plugs I removed today were recommended by NAPA dealer and are NGK AB-6. They supposed to be a hotter plug than normal. The plugs he sold me today are Autolite 3116. I had the compression tested by our local tractor mechanic last winter, which was the first problem I suspected, and compression is not low on any cylinder. Looking now that the ones I removed today, they are not fauled with carbon in any way. The tractor runs beautifully with the new plugs.
 
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Larry Flynt
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PostPosted: Sat Dec 08, 2012 5:11 pm    Post subject: Re: Farmall spark plugs Reply to specific post Reply with quote

Will try your suggestion tomorrow and get back. The cylinders were tested recently and none are low on compression. The engine was rebuilt about 5 years ago and has only about 100 hours on it.
 
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rusted nuts
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PostPosted: Sat Dec 08, 2012 5:23 pm    Post subject: Re: Farmall spark plugs Reply to specific post Reply with quote

Well, "Tractor Vet" down on Tales just had some NEW copper plug wires that didn"t carry spark. He found that out after he had the head redone. Them plugs should be good ones, I would be looking for weak spark. maybe a coil
 
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old
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PostPosted: Sat Dec 08, 2012 5:49 pm    Post subject: Re: Farmall spark plugs Reply to specific post Reply with quote

Alcohol fouling can not bee seen with your eye ball and if the plug is any color other then a brown then it is in fact fouled by this crap alcohol gas we have now days. Of course things like having true copper wire plug wires play a big part in things also
 
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Paul Janke
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PostPosted: Sat Dec 08, 2012 5:56 pm    Post subject: Re: Farmall spark plugs Reply to specific post Reply with quote

I think that is the same plug we are using in a 460 which used to foul the number 2 plug in short order. It is still not perfect, but much better. I find the cylinder with the miss by starting the cold engine for a short time, shutting it off, and putting my fingers in alongside the plugs until I find the coldest one. It seems to work pretty well, and it seems like many engines foul one plug long before the others.
 
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the tractor vet
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PostPosted: Sat Dec 08, 2012 8:53 pm    Post subject: Re: Farmall spark plugs Reply to specific post Reply with quote

Well i can tell ya the NGK's plum DO NOT WORK IN A FARMALL. . And IF you are running a resistor plug wire there is half your problem . Either run a 3116 or a 386 or a C 86 A/C plug . and if your not going thru a tank of gas every 60 days today this can be a problem as this NEW gas goes bad fast. and here lately it is driven me to drink as WE all are having fuel related problems on all the gassers around here . Outof the twenty plus gas tractor that i take care of i am getting tired of hearing hey my tractor is missing again . This is happing when they leave them set for several weeks and then get them out to do something . And it does not matter what grade of gas that they are usen . As i have the guys that are still running S/MTA's and 400's that burn the 89 and us that have the 06's burning the 93 . They run fine with FRESH gas , but let them set for a spell and they foul out a plug or two.
 
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Larry Flynt
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PostPosted: Sun Dec 09, 2012 5:27 am    Post subject: Re: Farmall spark plugs Reply to specific post Reply with quote

Will have that checked. Thanks for the tip.
 
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Larry Flynt
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PostPosted: Sun Dec 09, 2012 5:35 am    Post subject: Re: Farmall spark plugs Reply to specific post Reply with quote

The NKG' are a plug the NAPA owner wanted me to try. The 3116 is what he gave me to install this time. I believe that you are right regarding the gasoline as the tractor sits sometimes 30 days without cranking. Will drain out the old gas, and when planning to use the machine, will fill with new gas each time and see how that works. Thanks muchly for the reply.
 
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