Spark Plugs...

Discussion in 'Dodge Challenger General Discussions' started by LEGENDARY70, Apr 2, 2020.

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  1. Apr 7, 2020 at 2:10 PM #11
    IntimidatorRT

    IntimidatorRT Well-Known Member Staff Member Super Moderator

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    Those NGK’s come in Mopar parts boxes. Lol


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  2. Apr 7, 2020 at 7:02 PM #12
    09RTRob

    09RTRob New Member

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    My 2009 Challenger R/T came with copper spark plugs. I changed them out at 58k miles because I was worried, and they were in perfect condition! So, I decided to install NGK Iridium spark plugs, which are double plaitinum with an iridium coating at the core end. The performance pickup has been noticeable and will last 100k miles, so why not do something better for your Challenger?
     
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  3. Apr 8, 2020 at 9:33 AM #13
    Katshot

    Katshot Full Access Member

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    Your copper plugs were way over due for changing. That's why you saw a noticeable performance gain.
     
  4. Apr 29, 2020 at 3:10 AM #14
    hercules1

    hercules1 Member

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