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Newer Style Plug #4705

Discussion in '3rd Gen. Tacomas (2016-2023)' started by Johnevo, Apr 27, 2024.

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  1. Apr 27, 2024 at 4:03 PM
    #1
    Johnevo

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    Johnevo [OP] Member

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    Johnevo, Apr 27, 2024
    #1
  2. Apr 27, 2024 at 5:14 PM
    #2
    soundman98

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    soundman98 Well-Known Member

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    what is different about them from the oem plugs?

    after a terrible spat with an older chrysler trying to run the 'E3' plugs, i always run oem plugs, as the ignition system is designed for that plug. changing the plugs without the rest of the ignition system spark/power/duration/timing tends to screw with things.
     
    soundman98, Apr 27, 2024
    #2
  3. Apr 27, 2024 at 5:19 PM
    #3
    Mallcrawler20

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    Mallcrawler20 Well-Known Member

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    Take it this is a aftermarket item ? As long as they are the recommended type of plug .
     
    Mallcrawler20, Apr 27, 2024
    #3
  4. Apr 27, 2024 at 5:26 PM
    #4
    Johnevo

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    Johnevo [OP] Member

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    Not an after market item, according to Denso it's a newer style of plug.
     
    Johnevo, Apr 27, 2024
    #4
    Mallcrawler20 likes this.
  5. Apr 27, 2024 at 5:26 PM
    #5
    faawrenchbndr

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    faawrenchbndr Til Valhalla

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    I agree…..
     
    faawrenchbndr, Apr 27, 2024
    #5
    soundman98[QUOTED] likes this.
  6. Apr 28, 2024 at 7:21 AM
    #6
    auskip07

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    auskip07 Well-Known Member

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    Others have used this type of plug with no issues. It's just iridium vs platinum. I believe it's the same heat range as the OEM.
     
    auskip07, Apr 28, 2024
    #6
    soundman98 and jmneill like this.
  7. Apr 28, 2024 at 7:32 AM
    #7
    devinzz1

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    devinzz1 Well-Known Member

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    icon stage 10 kit, toytec 1" bl, 35" general x3s, 17x9.5 procomp wheels, locker anytime mod, s&b intake, blackhawk 2.1 tune,
    that probably wasnt because of running aftermarket plugs. that was because of those e3 plugs specifically. the single worst spark plug ever created.
     
    devinzz1, Apr 28, 2024
    #7
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  8. Apr 28, 2024 at 12:55 PM
    #8
    soundman98

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    soundman98 Well-Known Member

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    correct, but the point still stands-- just blindly throwing in 'newer/better/stronger/bigger' plugs like i did back then resulted in poor performance and reliability problems. there's a whole science to spark plugs that needs to be understood to start changing things, and if one is unwilling to understand the science, as i am currently, it's best to stick with what came oem with the truck if possible.
     
    soundman98, Apr 28, 2024
    #8
    faawrenchbndr likes this.
  9. May 4, 2024 at 4:17 AM
    #9
    faawrenchbndr

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    faawrenchbndr Til Valhalla

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    The 4.0 major issues with iridium plugs. Idled poorly, mileage lost, some threw codes. Even changing coils didn’t help.

    These multiple electrode plugs are BS
     
    faawrenchbndr, May 4, 2024
    #9
    soundman98 likes this.
  10. May 4, 2024 at 4:31 AM
    #10
    e6400ultra

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    e6400ultra Well-Known Member

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    Wish they made a ruthenium option for Tacos, my '97 Civic loves the NGKs.
     
    e6400ultra, May 4, 2024
    #10
  11. May 4, 2024 at 4:36 AM
    #11
    TacoSupremo19

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    TacoSupremo19 Well-Known Member

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    TacoSupremo19, May 4, 2024
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  12. May 4, 2024 at 4:49 AM
    #12
    auskip07

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    auskip07 Well-Known Member

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    Well, this is the 3rd gen forum. The engine is different. The stock plug is a multiple prong plug
     
    auskip07, May 4, 2024
    #12
  13. May 4, 2024 at 4:51 AM
    #13
    faawrenchbndr

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    faawrenchbndr Til Valhalla

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    Yes, the engine is different but I’m trying to help a guy with a 3rd gen. He’s having the exact same damn problems. He’s trying to run the 4705. multiple electrode, larger than factory gap, it doesn’t always work well.
     
    faawrenchbndr, May 4, 2024
    #13
  14. May 4, 2024 at 4:52 AM
    #14
    faawrenchbndr

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    faawrenchbndr Til Valhalla

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    3491 is not the factory plug. The factory plug is a platinum single electrode
     
    faawrenchbndr, May 4, 2024
    #14
  15. May 4, 2024 at 4:53 AM
    #15
    faawrenchbndr

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    faawrenchbndr Til Valhalla

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    heat range yes, material no, gap no, electrode style no
     
    faawrenchbndr, May 4, 2024
    #15
  16. May 4, 2024 at 5:00 AM
    #16
    TacoSupremo19

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    TacoSupremo19 Well-Known Member

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    This is what came out of my truck and what I put back in. Bought the truck with 9k
    $29 Denso (3491) FK20HBR8 Spark Plug
    https://www.amazon.com/Denso-3491-FK20HBR8-Spark-Plug/dp/B00NPZS6RQ?crid=MXQHHFSTRIL7&dib=eyJ2IjoiMSJ9.hBcaoC75LMbZUdhu4qqQoEopGLtAMLySC-qnWba0QGH25oovmBHYM4MTsYUaeY8NnBdELOyDiN2P-ruQq667m34XVpbo1EA_gfz0PGi8eXkwz8oTu16awXJNZw9QcgftwkP4qKiBeCa93kHmsWETDEnj6ToClgXS-4OpNFa8_zKFDmAgBDTfX7KDcag-BTFkOk91PK1amI4EqYUwiIUexZVoHX3jorGEls395rpIT3BKOQrcuNl27xOEws-JVgDpjiAsCl4JTIqyP5tUI0-3cZlSEQhVPPhUykf-d55Hzqk.xEGojgtm4E3dmiveAVKyCoAcrWjBSCa1xq1pGQ8or8s&dib_tag=se&keywords=FK20HBR8&qid=1714823660&s=automotive&sprefix=fk20hbr8%2Cautomotive%2C124&sr=1-1

    Iridium core. I did a write up on the loose plugs I found.

    https://www.tacomaworld.com/threads/spark-plug-psa.766010/
     
    TacoSupremo19, May 4, 2024
    #16
  17. May 4, 2024 at 5:07 AM
    #17
    faawrenchbndr

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    faawrenchbndr Til Valhalla

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    faawrenchbndr, May 4, 2024
    #17
  18. May 4, 2024 at 5:16 AM
    #18
    TacoSupremo19

    #18
    TacoSupremo19 Well-Known Member

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    TacoSupremo19, May 4, 2024
    #18
  19. May 4, 2024 at 5:21 AM
    #19
    TacoSupremo19

    #19
    TacoSupremo19 Well-Known Member

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    Brushed Copper Blaze 10 Rims | 265 70 17 Toyo Open Country A/T III tires | Bilstein 5100 w/ Eibach Coils 2.5" lift | Blackhawk UCAs | ICON Rear 3 AAL |TRD Skid Plate | TRD CAI | OEM Rear Bed Lighting | OEM rear Tailgate lock | RC Bed Molle Racks | Custom Blacked out OEM LED Headlights | MESO V4 Mirror Turnsignals | MESO Interior trim blackout | TG DMM dash mount | TRD Shift Knob | OEM SR5 interior door handles | Upgraded Stereo including Alpine 700W Amp Alpine Type R Components & Hertz speakers 12" Sub | Custom Clazzio Seat covers | Mobtown Sliders | Front Camera
    This site contains affiliate links for which the site may be compensated.
    TacoSupremo19, May 4, 2024
    #19
  20. May 4, 2024 at 5:25 AM
    #20
    faawrenchbndr

    #20
    faawrenchbndr Til Valhalla

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    That’s weird. Take a little listing from one of many Toyota dealerships.

    IMG_1920.png
     
    faawrenchbndr, May 4, 2024
    #20
Page 1 of 3

Products Discussed in

Denso (3491) FK20HBR8 Spark Plug
$28.33
Denso Spark Plug Iridium TT - 4705
$10.95
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