[AJD] spark plugs

[nick_solomon at infostations.com]

Would that happen in just one single use for even 10 minutes? I can still
get a spark from them out side of the cylinder, but Im not certain the
still spark under compression.

Nick

> nick_solomon at infostations.com wrote:
>
>> ok, so why is it that I can onle get my tractor to start when I put in
>> brand spanking new plugs? runs great, put it away, get ready to go next
>> time, and can't get it to start, look at plugs, and they are a light
>> gray,
>> very little oil on them, clean them anyways, put em in, crank till
>> battery
>> is dead... put in fresh battery and brand new plugs, and it fires off
>> within a few revolutions....... Im serious, Ill run the tractor for 3 or
>> 4
>> hours, put it away, and try even in the same day and have trouble.
>> does this have to do with having weak/bad mag guts?
>
> Possible explanation;
>
> You don't get the plugs hot enough to burn off residue. Do you run the
> tractor to full operating temperature? Are the plugs you use an
> appropriate heat range?
> Plugs foul worst when they are neither cold nor hot, but just warm
> enough to burn off the light oils in the deposits and crystalize the
> heavy deposits before they're gone.
>
> Eric
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