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Spark Plug Question

5513 Views 10 Replies 7 Participants Last post by  Kirk-NJ
I got a question about plugs. We have a 1963 2000 Ford which for as long as I can remember has run H10 champion plugs and the last few years we could only find H10C which I figure has something to do with copper core. The plugs used to last for a good while but the past few years will have to be changed every year and if we use it a lot have gone through two sets. I have herd that with today's gas the heat range needs to be changed to help the life of plugs. My question is this can someone tell me how many ranges to change to help with the life of the plugs and still keep good power?
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Try the Autolites that SouNdguy mentioned. I've had better luck with Autolites than anything else in the past few decades.
I just use a pocketknife, emery cloth, and rag to clean mine and regap, 'till the electrode burns down into the insulator in 10 or 15 years.
That's why I say decades. I don't buy many spark plugs. Each of my tractors get about 250 to 300 hours a year of use.
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