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· Slow Rider Truckin
80 Posts
My 05 Ram 3.7 manual says to change plugs every 30,000 miles. I bought replacement mopar plugs that I believe were NGK Platinum. I thought I was going to change them. Ha! I finally had a Master Tech Mechanic change them at 130,000. The old ones, also NGK Platinum, looked brand new. He said these new ones come coated with anti-seize.
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