the iridium plugs will last up to 100,000 miles. like they should, the copper core plugs last 10 to 15,000 miles, so a yearly plug change is the norm. and the copper core plugs run about 2 bucks each.
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the iridium plugs will last up to 100,000 miles. like they should, the copper core plugs last 10 to 15,000 miles, so a yearly plug change is the norm. and the copper core plugs run about 2 bucks each.
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