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Off color spark plugs

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BradH View Drop Down
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Joined: 28 Feb 2016
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Post Options Post Options   Thanks (0) Thanks(0)   Quote BradH Quote  Post ReplyReply Direct Link To This Post Topic: Off color spark plugs
    Posted: 01 Sep 2018 at 9:40pm
My father-in-law has a JD 2510 gas that he inherited.  It runs pretty good but we pulled the plugs when we were getting it running again and they looked pretty pathetic.  I figure new spark plugs aren't that expensive so there's no reason to continue running cruddy ones in a tractor that we use frequently.  I've mentioned getting new ones three or four times with no effect so I'm just going to buy him some and put them in someday soon.  An old tractor mechanic I know told me to use Autolite plugs in old tractors, but I can't seem to find a plug number.  Maybe I'm just looking in the wrong places or something.  If anybody can figure it out I'd be greatful.
Thanks,
Brad
Warning! Blind man with a tractor! Head for the hills!
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shameless dude View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote shameless dude Quote  Post ReplyReply Direct Link To This Post Posted: 02 Sep 2018 at 2:44am
the parts store should have that info in their book. or you could just take out the plugs and squirt a bunch of JB weld in the holes! lol...take the old ones on with you for comparison
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PaulW(NE) View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote PaulW(NE) Quote  Post ReplyReply Direct Link To This Post Posted: 02 Sep 2018 at 4:43am
John Deere part # AT21177 (champion n-6) for heavy duty use or AT21343 (champion n-11y) for medium use.
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DougS View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DougS Quote  Post ReplyReply Direct Link To This Post Posted: 02 Sep 2018 at 6:52am
I'm partial to anything but Champions. Throw in a set, but don't be surprised if they only last 6 months. Personally I prefer NGKs. They're Japanese, but even the good old standby AC and other "domestic" plugs are made in China anymore. I'll take Japanese quality over Chinese quality any day. Go to any manufacturer's web site and you'll find a cross reference chart.

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Lars(wi) View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Lars(wi) Quote  Post ReplyReply Direct Link To This Post Posted: 02 Sep 2018 at 8:27am
Whatever brand you change to, do not throw the old plugs away.
I tried to follow the science, but it was not there. I then followed the money, and that’s where I found the science.
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Gerald J. View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Gerald J. Quote  Post ReplyReply Direct Link To This Post Posted: 02 Sep 2018 at 7:39pm
Champion plugs seem to have lost the ability to clean the ceramic from soot caused by choked starting and so seem to go bad quickly. They have also decided that vintage tractor engines are oil burners and added an air gap between the plug center post and the wire connection which is a killer of coils and magnetos and isn't a significant benefit if the engine is burning oil. Its best to forget Champion plugs and use other brands.

Gerald J.
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BradH View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote BradH Quote  Post ReplyReply Direct Link To This Post Posted: 02 Sep 2018 at 9:28pm
Gerald,
I was planning to avoid Champion at all costs but I will for sure after what you just said.  This tractor likes a little bit of choke just about every time you start it.  Always has, and probably always will.  Like I said, an old mechanic friend of mine told me to go with Autolite for old tractors like my WD-45 and this one.  That's pretty much all I buy anymore.  I was just hoping to get the plug number before I went to the parts store.  I don't really like the local guy much and he's got a bad attitude.  So if I know what I'm after ahead of time it saves me from having to deal with him much.  I only go there because it's easy to stop on my way out to the farm.
Later,
Brad
 
Warning! Blind man with a tractor! Head for the hills!
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john(MI) View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote john(MI) Quote  Post ReplyReply Direct Link To This Post Posted: 02 Sep 2018 at 10:10pm
Google says Autolite 216.  There is also a complete, supposedly Made in USA tune up kit on there for $64.

D14, D17, 5020, 612H, CASE 446
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Brian Jasper co. Ia View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian Jasper co. Ia Quote  Post ReplyReply Direct Link To This Post Posted: 03 Sep 2018 at 1:59pm
Originally posted by BradH BradH wrote:

Gerald,
I was planning to avoid Champion at all costs but I will for sure after what you just said.  This tractor likes a little bit of choke just about every time you start it.  Always has, and probably always will.  Like I said, an old mechanic friend of mine told me to go with Autolite for old tractors like my WD-45 and this one.  That's pretty much all I buy anymore.  I was just hoping to get the plug number before I went to the parts store.  I don't really like the local guy much and he's got a bad attitude.  So if I know what I'm after ahead of time it saves me from having to deal with him much.  I only go there because it's easy to stop on my way out to the farm.
Later,
Brad
 
If your farm is near Humeston, I'll bet I can guess who you're talking about. Funny thing is his folks were two of the nicest people who ever lived.
"Any man who thinks he can be happy and prosperous by letting the government take care of him better take a closer look at the American Indian." Henry Ford
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