What happens if I take too long to change my spark plugs? My truck has 41,000 miles and it still has the original spark plugs, it runs good and I haven't had any problems at all. I know they are supposed to be changed every 30,000 miles but I'm waiting for the holidays when I have time to take it to the dealer. Is it too bad if I keep it this way? I don't use my truck daily if that helps, but I might have to take a short trip.
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I ran 130k on my factory spark plugs and never had a problem, after changing them they were bad..really bad, but with the new platinums in i noticed very small gas mileage improvement...1/4-1/2mpg's. I would recommend changing them but no rush, if they look reasonable when you pull one.
I just bought 8 platinum power Champions and 8 double platinum Champions, because the part stores computer recommended it for the exhaust stroke (an emmissions thing).
Does anyone have any suggestions or experience with using other than OEM copper plugs? Any recommendations on things you've tried and that have been successful. I don't like what the dealer charges every 30k miles for service