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Tractor Talk Discussion Forum

fowling plugs

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Sandy White

10-17-2006 20:43:02




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I have a Farmall A I've been trying to get the carb adjusted. But it seems to keep fowling plugs. Any help on how to stop it from fowling the plugs. Thanks




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evilboweviel

10-18-2006 11:17:52




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 Re: fowling plugs in reply to Sandy White, 10-17-2006 20:43:02  
Champion D21 sparkplugs
Ron



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msb

10-18-2006 07:51:15




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 Re: fouling plugs in reply to Sandy White, 10-17-2006 20:43:02  
First place to start is by running a compression test.



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RAB

10-18-2006 08:24:23




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 Re: fouling plugs in reply to msb, 10-18-2006 07:51:15  
Not necessarily so. The oil control rings do not directly improve compression. As their name suggests, they control the amount of oil feeding to the upper cylinder/piston area. They are also called oil scraper rings. A broken oil control ring is a nearly completely different ball game than a compression ring problem.
RAB



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McRay

10-18-2006 06:43:39




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 Re: fowling plugs in reply to Sandy White, 10-17-2006 20:43:02  
Try using Anti-plug fowlers. You can get them at local auto supply



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dej(JED)

10-18-2006 05:05:50




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 Re: fowling plugs in reply to Sandy White, 10-17-2006 20:43:02  
Say all you will, it needs a set of rings..... .



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doogdoog

10-17-2006 21:57:59




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 Re: fowling plugs in reply to Sandy White, 10-17-2006 20:43:02  
Aloha, First, you have to be sure you have the right type of plugs (heat range)and gap that are the recommended type. If they are not, compare the heat range with the one's that are installed. If they are colder, then put in the correct type. If they are the correct type, you could go to a slightly hotter plug. This is only a band aid fix so you should find the oil problem. Also, the others gave you some good advice.

Mahalo,
doogdoog

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Jerry/MT

10-17-2006 21:05:29




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 Re: fowling plugs in reply to Sandy White, 10-17-2006 20:43:02  
There are two types of fouling;oil fouling and carbon fouling. Oil fouling is a black wet fouling and is caused by loss of oil control either in the intake valve seals/guides or loss of oil control ring function. Carbon fouling is a black fluffy like soot deposit which is relatively soft and can easily be cleaned.
The former means you need some engine work, the latter means your carb is running too rich.
Hope this helps you.

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Mike M

10-18-2006 07:26:04




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 Re: fowling plugs in reply to Jerry/MT, 10-17-2006 21:05:29  
Or ? The much dreaded 3rd type. Antifreeze leaking in.



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old

10-17-2006 21:02:05




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 Re: fowling plugs in reply to Sandy White, 10-17-2006 20:43:02  
What type of fouling do they have?? Are the plugs oily or are the dry and sotty?? If they are oily then your looking ar a rebuld. If they are sotty the you have a carb problem. Either one takes a differant way to fix the problem



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buickanddeere

10-17-2006 20:56:06




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 Re: fowling plugs in reply to Sandy White, 10-17-2006 20:43:02  
. If the coolant temp isn't kept at least 195F and 210F is better. And if the engine isn't operated at near full load. Plug life will reduced. Odds are somebody tossed the thermostat away years ago. Tractor engine engineers never suspected that their dung wagon hauler would be our parade ride. Hurl any resistor core plug wires and plugs in the trash. Install solid wires and 216 or 3116 Autolite plugs. I'm not certain what plug thread size they used. It's fouling not fowl like the birds by the way

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Red Dave

10-18-2006 13:08:13




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 Re: fowling plugs in reply to buickanddeere, 10-17-2006 20:56:06  
Farmall A's don't have thermostats, never did.

If they aren't worked hard, they will foul plugs. Autolite 3116's will help, but some will foul them anyway. The main jet in the carburator is not adjustable and they tend to run on the rich side.



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buickanddeere

10-18-2006 14:15:00




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 Re: fowling plugs in reply to Red Dave, 10-18-2006 13:08:13  
If the A had shutters they need to be replaced or repaired and used.



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noncompos

10-17-2006 20:53:13




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 Re: fowling plugs in reply to Sandy White, 10-17-2006 20:43:02  
If you"re having trouble with your plugs fowling, you"ve just got to keep those chickens, ducks and geese out of the carb!
God, that was mean, but I just couldn"t resist; I"ll hate myself in the morning.
Seriously, if the plugs are dry-fouling it"s usually too much fuel or possibly weak spark; if they"re wet (oily) fouling it"s oil gettinginto the combustion chambers. There"ve been several posting on both problems; run the archives("Search This Site" on the menu to the left when the forum-index page comes up) on Fouling plugs and they should come up,
And please accept my apologies.

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