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8N spark plugs


 
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Spottie
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Joined: 10 Jun 2008
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PostPosted: Tue Jun 10, 2008 10:25 am    Post subject: 8N spark plugs Reply to specific post Reply with quote

I have a 1950 Ford 8N tractor and want to replace the plugs after owning it a couple years. I ordered the tune up kit listed for my tractor's serial number. When I opened it, I found Autolite 437 plugs. However, the plugs currently in my tractor are Autolite 216. It has a side mount distributor, if that is important to this discussion. Anyway, I don't know if those 216 plugs are the wrong ones, if the 437 are wrong, or if it just doesn't matter. I am a newbie to this antique tractor stuff, so I need help! Thank you!
 
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Colin King
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PostPosted: Tue Jun 10, 2008 10:32 am    Post subject: Re: 8N spark plugs Reply to specific post Reply with quote

437 is the correct plug. Gap them to 0.025.

Colin, MN
 
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Leemo
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PostPosted: Tue Jun 10, 2008 10:36 am    Post subject: Re: 8N spark plugs Reply to specific post Reply with quote

Like Colin indicated the 437s are good. they're a slightly hotter plug than the 216s and seem to have less problems with fouling in these old tractors.
 
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old
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PostPosted: Tue Jun 10, 2008 10:39 am    Post subject: Re: 8N spark plugs Reply to specific post Reply with quote

The 437s seem to be the ones that most people use. Reason is they run a little hotter and because they run hotter there less likely to foul out
 
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Bruce (VA)
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PostPosted: Tue Jun 10, 2008 10:40 am    Post subject: Re: 8N spark plugs Reply to specific post Reply with quote

They will actually work better than the 216's. See tip # 7 at the link below.
50 Tips

 
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Dell (WA)
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PostPosted: Tue Jun 10, 2008 10:57 am    Post subject: Re: 8N spark plugs Reply to specific post Reply with quote

Spottie.........the OEM sparkies in 1939 were cool Champion H-10's. The AutoLite 216 is the cool Champion replacement. Modern "no-lead" gasoline causes cool sparkies to FOUL and misfire. Also oil-burners need HOT sparkies too. The hotter Champion is H-12 but for some reason FOUL too. The hotter AutoLite equivalent of H-12 is AutoLite 437 and they DON'T FOUL. (we don't know why) That is why we recommend AutoLite 437's. (gap = 0.025in) Hope this "educates" you some.........Dell, yer self-appointed sparkie-meister
 
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souNdguy
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PostPosted: Tue Jun 10, 2008 10:59 am    Post subject: Re: 8N spark plugs Reply to specific post Reply with quote

Ditto everybody else.. 437's ar ethe way to go.

soundguy
 
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Spottie
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PostPosted: Tue Jun 10, 2008 2:00 pm    Post subject: Re: 8N spark plugs Reply to specific post Reply with quote

Thank you so much for your help. I can't wait for the weekend so I can do my tune up. Thank you Thank you!!!
 
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Dunk
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PostPosted: Tue Jun 10, 2008 2:43 pm    Post subject: Re: 8N spark plugs Reply to specific post Reply with quote

For anyone that would like to know a cross of the 437s to different brands (i.e. NAPA X526), poke here, plug specs are also at the far right on the chart.


http://theviperr.com/8n/437-cross.mht
 
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jmazzei59
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Location: Cincinnati, Ohio

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PostPosted: Mon May 11, 2009 8:10 am    Post subject: Re: 8N spark plugs Reply to specific post Reply with quote

Colin King wrote:
(quoted from post at 11:32:19 06/10/0Cool 437 is the correct plug. Gap them to 0.025.

Colin, MN


I also have a 1950 8n tractor. Since I changed the spark plugs, the throttle lever next to the steering wheel, won't stay all the way down, or all the up, it kind of springs to the middle. In order to keep the engine reved up, I have to manually hold the lever. Also, since I changed the plugs, I don't have very much power, it bogs down when I cut grass.
Can you help this city boy ???
 
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jmazzei59
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Location: Cincinnati, Ohio

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PostPosted: Mon May 11, 2009 8:15 am    Post subject: Re: 8N spark plugs Reply to specific post Reply with quote

I also have a 1950 8n tractor. Since I changed the spark plugs, the throttle lever next to the steering wheel, won't stay all the way down, or all the up, it kind of springs to the middle. In order to keep the engine reved up, I have to manually hold the lever. Also, since I changed the plugs, I don't have very much power, it bogs down when I cut grass.
Can you help this city boy ???
 
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