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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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Thanks very much for all the advise. Next time I'm in Lexington I'll pick up one of the cleaners didn't know they made such a thing but sounds handy. Always ran champion in ford vehicles growing up they seemed to last better but like you all say things change. May go ahead and pick up a set of the autolites to. Thanks again.
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