Re: Which up-dated spark plugs for my 8n?

In Reply to: Which up-dated spark plugs for my 8n? posted by Jeff in Maine on October 03, 2020 at 19:48:45:

Congratulations.

You have confirmed that even when you give them a part number, many parts clerks are clueless as to the basic functioning of the part.

You need a hotter heat range plug in the tractor because it is not used on a daily basis.

That would be a Champion H-12 or Autolite 437.

ANY plug in that heat range will work better than ANY plug in the colder heat range of the H-10 or........the 216.

You can get the 437's at Advance.

You can also use the NGK B4L plug.

NGK 3112 (B-4L)

http://www.stoutracingengines.com/2014/pdf-heatrange.pdf

https://www.ngk.com/product.aspx?zpid=9221

https://shop.advanceautoparts.com/p/autolite-copper-non-resistor-spark-plug-437/3290492-P

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