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Iridium vs Copper plugs. 2011 4.0 Tacoma

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Lexi0216, May 10, 2023.

  1. May 10, 2023 at 6:58 AM
    #1
    Lexi0216

    Lexi0216 [OP] Member

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    Hi all. I heard somewhere that I shouldn’t use iridium plugs in my 2011 4.0 Tacoma. Wondering if this is true or false? Somewhere I heard they get too hot? I dunno. Let’s hear what y’all got to say. Thx.
     
  2. May 10, 2023 at 7:13 AM
    #2
    Revelations

    Revelations Well-Known Member

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    There are plenty of threads on this subject with 2 camps of yes or no. I have personally been using iridiums since I bought my truck new. 140k miles and not a single hiccup. Others will have different experiences. Buy the correct heat range plugs and you won't have any problems.
     
    ARCHIVE likes this.
  3. May 10, 2023 at 7:22 AM
    #3
    TXpro4X4

    TXpro4X4 Fuck Cancer!

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    Use stock NGK's
    No iridium or anything stupid like that it's in your manual
     
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  4. May 10, 2023 at 7:25 AM
    #4
    Evostaco

    Evostaco Jack of some of the trades, master of maybe 2

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    I'm of the belief that you should use the plugs that the engine was designed for. They calibrated the system to be using specific components
     
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  5. May 10, 2023 at 7:32 AM
    #5
    steveo27

    steveo27 Ask me about my weiner

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    The same shit everyone else has.
    NGK or Denso coppers.

    They’re cheap enough to do every 30k miles.
     
    Lexi0216[OP] likes this.
  6. May 10, 2023 at 7:35 AM
    #6
    fourfourone

    fourfourone Well-Known Member

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    Coppers.

    Going 60k with them is fine. Both times I've done mine at 60k the plugs looked new when they came out. Could have easily gone longer.
     
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  7. May 10, 2023 at 7:44 AM
    #7
    ToyoTaco25

    ToyoTaco25 Well-Known Member

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    If you want to pay 2-3x for iridium or whatever kind of "special" plug, go ahead.

    Standard replacement NGK & Denso Copper plugs have gotten me to almost 300k. I change them when I think about it, maybe every 75-100k lol.
     
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  8. May 10, 2023 at 7:45 AM
    #8
    joeyv141

    joeyv141 Well-Known Member

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    I've run ngk or denso iridium plugs in my 2 tacomas, 1 camry, 1 civic. I go with 100K intervals and have never had any issues, if I had a supercharger I would probably buy copper plugs and change them every 30K-50K.
    As for the price difference of iridium costing more then copper, yes they do but if I use one set of iridium plugs for 100K at $10 each thats still cheaper then 3 sets of copper plugs for 30K at $5 each, also its one third of my time I need to spend replacing plugs. I have never understood the idea of the more time I spend working on my cars the better, I'm a auto tech so I already work on cars 8 hours a day and don't want to do extra needless work on my personal vehicles.
     
    Last edited: May 10, 2023
    FishaRnekEd and ARCHIVE like this.
  9. May 10, 2023 at 7:47 AM
    #9
    fourfourone

    fourfourone Well-Known Member

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    Some have had misfire issues running iridium. Not worth the headache. Run what Toyota says is best.
     
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  10. May 10, 2023 at 7:48 AM
    #10
    ARCHIVE

    ARCHIVE Well-Known Member Vendor

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    The "stock" denso platinums went 200k in my 4.0.
    Edit, apparently someone put Denso platinum in my truck at some point before I got it, but they were working fine.
    I'd use NGK G-power platinum or Iridium. Why run copper and have to replace them in 30k? This isn't like a 15min spark plug swap job

    In my Tacoma, I used NGK 6619 Iridium 6 years ago, been fine ever since.
    I have run NGK G-power platinums for years in dozens of cars and never had an issue. $2.80/plug on rockauto, last 100k, Actually $4.12 for Taco, just bought G-power platinums for my Sequoia for $2.67/plug
     
    Last edited: May 10, 2023
  11. May 10, 2023 at 7:54 AM
    #11
    fourfourone

    fourfourone Well-Known Member

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    Stock plugs aren't platinum.
     
  12. May 10, 2023 at 7:57 AM
    #12
    Lexi0216

    Lexi0216 [OP] Member

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    Thank you
     
  13. May 10, 2023 at 7:57 AM
    #13
    ToyoTaco25

    ToyoTaco25 Well-Known Member

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    Also don't need to replace them every 30k lololol.
     
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  14. May 10, 2023 at 8:05 AM
    #14
    ARCHIVE

    ARCHIVE Well-Known Member Vendor

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    Seriously, If your statement is "3 times more expensive" for Iridium plugs, you're stupid. $50 for 6 plugs? That's less than a single tank of fuel, what about your time?
     
  15. May 10, 2023 at 8:10 AM
    #15
    fourfourone

    fourfourone Well-Known Member

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    Calling people "stupid" as a vendor on here makes you the stupid one.
     
  16. May 10, 2023 at 8:13 AM
    #16
    ARCHIVE

    ARCHIVE Well-Known Member Vendor

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    Yeah I'm stupid. But I also make high quality parts for your Tacoma
     
  17. May 10, 2023 at 8:14 AM
    #17
    fourfourone

    fourfourone Well-Known Member

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    The plugs I just took out could almost pass as new after 60k. Now I see why some people go 100k on the stock plugs without issue.
     
  18. May 10, 2023 at 8:19 AM
    #18
    Lexi0216

    Lexi0216 [OP] Member

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    Good point.
     
  19. May 10, 2023 at 8:20 AM
    #19
    Lexi0216

    Lexi0216 [OP] Member

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    They “look” new but I’m willing to bet ya a Nickle Lol. That the gap is way off now after 60k of driving
     
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  20. May 10, 2023 at 8:24 AM
    #20
    steveo27

    steveo27 Ask me about my weiner

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    The same shit everyone else has.
    upload_2023-5-10_11-24-42.jpg
     
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