[AJD] sparkplugs- problem - moisture

[kreig]

Looks like it might be rime to cook up some plugs for lunch, hahahah

Kreig


----- Original Message ----- 
From: "Terry Hrdlicka" <th01209 at alltel.net>
To: "Antique John Deere mailing list" 
<antique-johndeere at lists.antique-tractor.com>
Sent: Sunday, November 19, 2006 4:30 AM
Subject: Re: [AJD] sparkplugs- problem - moisture


> Krieg,
>
> I've brought some "dead" plugs back to life by laying them on the wood 
> stove in the garage and getting them REALLY hot.  I take 'em off after 
> they quit smoking for a while, let 'em cool, clean and gap.  Sometimes it 
> works, sometimes not.
> YMMV
>
> Wonder if a guy could take a new pair of D23's to a pottery shop and have 
> them brush glaze up inside and around the insulator, then fire the plugs 
> along with their pots?
>
> Just some thoughts.
>
> Terry Hrdlicka
> Crete, Nebraska
>
>
> ----- Original Message ----- 
> From: "kreig" <astroguy at nas.com>
> To: "Antique John Deere mailing list" 
> <antique-johndeere at lists.antique-tractor.com>
> Sent: Saturday, November 18, 2006 4:07 PM
> Subject: Re: [AJD] sparkplugs- problem - moisture
>
>
>> It appears that some problems come from moisture in the unglazed ceramic 
>> insulators of spark plugs.
>>
>> So, what would happen if we put the spark plugs in a low temperature oven 
>> for a few hours?  I am thinking around 200 degrees. Would this drive out 
>> the moisture and a make a "bad" plug good again?
>>
>>
>> Kreig
>>
>>
>> ----- Original Message ----- 
>> From: "wwwayne johnson" <wjohnson at bigriver.net>
>> To: "Antique John Deere mailing list" 
>> <antique-johndeere at lists.antique-tractor.com>
>> Sent: Friday, November 17, 2006 7:01 PM
>> Subject: Re: [AJD] sparkplugs- problem - failures - maintenance - 
>> newtechnology
>>
>>
>>> Duane's response was outstanding.  I use AC 86's as they tend to foul 
>>> less but are short hex nut so its hard to get them out if a shield is 
>>> used such as the "G".  But a little lacquer thinner and a blow out 
>>> brings most back to life.  We just don't work them hard enough.  My 420 
>>> with thermostat control and H10 or H12 seldom fouls a plug and it uses a 
>>> bit of oil and is rather tired.
>>> Merle Wayne
>>> ----- Original Message ----- 
>>> From: <astroguy at nas.com>
>>> To: <antique-johndeere at lists.antique-tractor.com>
>>> Sent: Thursday, November 16, 2006 8:52 PM
>>> Subject: [AJD] sparkplugs- problem - failures - maintenance - new 
>>> technology
>>>
>>>
>>>> Seems like a lot of problems with JD tractors, comes from troublesome
>>>> sparkplugs.
>>>>
>>>> So my questions are:
>>>>
>>>> 1)     Why do spark plugs go bad?
>>>>
>>>> 2)     Why do spark plugs go bad so fast in JD tractors?
>>>>
>>>> 3)     Is there a way to do some kind of preventive maintenance for 
>>>> plugs?
>>>>
>>>> 4)     Are there new technology sparkplugs that eliminate the need to
>>>> purchaseng new plugs ever year? Bosche now produces Platinum Ir Fusion
>>>> plugs made up of platinum and Iridium.  Reading the literature, sounds 
>>>> like
>>>> a great spark plug.
>>>>
>>>> Any thoughts??
>>>>
>>>> Thanks, Kreig
>>>>
>>>>
>>>>
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>>>
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>>
>>
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>
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