If you are having problems with fouling that may be an indication
of engine trouble rather than a fault of the spark plugs.
I have Autolite 437 in most of mine. Supposedly the same heat
range as Champion H12. Autolite 216 in some. Supposedly the
same as Champion H10. I have AC Delco plugs in one because it
came with them. I have one that the plugs were painted over so
I don't know what they are. I also have some with Champions in
them and NGK's in my bikes. They all seem to run just fine.
If you are having specific issues with your tractor the guys here
can help with that. As far as spark plug brand, pick your poison.
None of them have impressed me over the others lately.
ours is one of , maybe a few, that does not sound like a lot of near closing time 'bar talk'.(quoted from post at 22:36:11 10/07/22)If you are having problems with fouling that may be an indication
of engine trouble rather than a fault of the spark plugs.
I have Autolite 437 in most of mine. Supposedly the same heat
range as Champion H12. Autolite 216 in some. Supposedly the
same as Champion H10. I have AC Delco plugs in one because it
came with them. I have one that the plugs were painted over so
I don't know what they are. I also have some with Champions in
them and NGK's in my bikes. They all seem to run just fine.
If you are having specific issues with your tractor the guys here
can help with that. As far as spark plug brand, pick your poison.
None of them have impressed me over the others lately.
I'm with Royce. If you service and maintain your tractor, spark plugs aren't going to give you alot of problems.
There is a YouTube video out there that claims that installing a certain plug wil solve all problems. Ridiculous!
When you buy any new machine, it comes with a maintenance schedule. For some reason, some people think that Ns just "run forever" and don't conduct maintenance.
Our 2N & 8N,("The Junk Pile") run perfectly. But not due to total neglect.
(quoted from post at 17:45:15 08/17/16) Autolite 437
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