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Dave M
Lv 7
Dave M asked in Cars & TransportationMaintenance & Repairs · 9 years ago

What is the longest lasting spark plug NGK platium or iridium?

Have an Astro van where the sparks are not easy to get at so want a spark plug that gives good performance for a long time.

3 Answers

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  • Anonymous
    9 years ago
    Favorite Answer

    Iridium lasts longest, but platinum will also last 100k+ miles.

  • ?
    Lv 7
    9 years ago

    Iridium is exactly what you want. Reduced maintenance thru less electrode erosion.

  • Pilsner Man
    Lv 7
    9 years ago

    Just put platinums in. They are good for 100K, and by that time, that thing will be in a junk yard.

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