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Subject: Spark Plugs for my Ford tractors

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John Clovicko    Posted 09-22-2026 at 02:27:15 [URL] [DELETE]        [Reply] [Email]  
  • Spark Plugs for my Ford tractors
  • I have 5 Ford tractors, 2 8n's . NAA, 860, And A 3400. I was wondering if one type or particular model of spark plug would work well in all 5.Thank you for any information on this topic.

    Ed Gooding (VA)    Posted 09-24-2026 at 05:03:58 [URL] [DELETE]        [Reply] [Email]  
  • Re: Spark Plugs for my Ford tractors
  • I use Autolite 437 in my '52 8N, and used Autolite AG5 plugs in my '73 3000.

    Farmer Brown    Posted 09-24-2026 at 04:20:54 [URL] [DELETE]        [Reply] [No Email]  
  • Re: Spark Plugs for my Ford tractors
  • For me, Champion H-12's go on my Ford.

    KCM    Posted 09-23-2026 at 16:51:16 [URL] [DELETE]        [Reply] [No Email]  
  • Re: Spark Plugs for my Ford tractors
  • 8N, NAA, and 860: Autolite 216 or 437.

    Not sure on the 3400.

    Lynn Patrick    Posted 09-22-2026 at 09:27:01 [URL] [DELETE]        [Reply] [Email]  
  • Re: Spark Plugs for my Ford tractors
  • For the first 4 I would use NGK B4L/3112. I think the 3400 uses NGK BPR4ES/6578.

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