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Ford 9N, 2N & 8N Discussion Forum
:

Best plug to use with Pertronix Electronic Ignitio

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jmeyert4a

01-11-2021 15:13:28




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OK experts (and others ;- )...

Since Pertronix requires that you upgrade from the old fashioned copper core plug wire to a carbon cored wire, might it make sense to upgrade the plugs as well?




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DennyD

01-12-2021 15:59:11




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 Re: Best plug to use with Pertronix Electronic Ignitio in reply to jmeyert4a, 01-11-2021 15:13:28  
I just changed over my 8N from points to the electronic ignition like you're doing, & it's using the same 437 plugs it had. Starting is vastly easier now on mine than it was. This isn't cheap to do, but worth every penny in my opinion.



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David G

01-12-2021 07:20:05




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 Re: Best plug to use with Pertronix Electronic Ignitio in reply to jmeyert4a, 01-11-2021 15:13:28  
Use same ones



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Tim PloughNman Daley

01-12-2021 03:59:56




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 Re: Best plug to use with Pertronix Electronic Ignitio in reply to jmeyert4a, 01-11-2021 15:13:28  
FORD TRACTOR OEM Spark Plug is spec'd at Champion H10, 14mm. The 14mm is the size of the plug thread, 14mm x 1.25mm (pitch) so don't ever try chasing the head plug ports with an Inch size tap. Champion 25 years later improved the plug with a hotter one, now H-12. About then the AUTO-LITE 437 Plug was released and ALL of these will work just fine on your tractors. Plug gap set at .025" +/- .001.

Tim *PloughNman* Daley(MI)

*9N653I* & *8NI55I3*

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Jason1Pa

01-11-2021 15:26:48




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 Re: Best plug to use with Pertronix Electronic Ignitio in reply to jmeyert4a, 01-11-2021 15:13:28  
Nope keep your same ones.



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504

01-11-2021 16:33:56




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 Re: Best plug to use with Pertronix Electronic Ignitio in reply to Jason1Pa, 01-11-2021 15:26:48  
All You have done is replace the points,nothing has changed in the voltage to the plugs.



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