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Spark Plug Question

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Dadic 78, Dec 19, 2010.

  1. Dec 19, 2010 at 11:07 AM
    #1
    Dadic 78

    Dadic 78 [OP] Well-Known Member

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    Fil
    Edmonton, AB CANADA
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    08 Double cab TRD
    I just did a plug swap in my '08 DC TRD. Read the "how-to" article on this site, and no problemo. Only question is, the plugs I removed (usual 3 Denso, 3 NGK) were gapped at .055. Now, I know that the gap can increase over time/usage, but I didn't think it would increase that much... Seem odd to you???

    I reinstalled my new Denso's (all 6) at the suggested .041 (they were actually gapped perfectly from Toyota). Truck runs great. Just curious if anyone else noticed their original plugs out around .055, and if so, why do they suggest .040 - .044 when they come .055?

    Thanks again for the awesome write-up on the site. Made the swap much quicker!
     
  2. Dec 19, 2010 at 11:25 AM
    #2
    jdtemple

    jdtemple Well-Known Member

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    Lift & Tires, in cab power outlets, Locking Bed Boxes, K&N
    at what mileage did you swap the plugs out?
     
  3. Dec 19, 2010 at 11:42 AM
    #3
    Dadic 78

    Dadic 78 [OP] Well-Known Member

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    ODO reads 60,000 km, so I was 10,000 over the suggested 50,000 time frame.
     
  4. Dec 19, 2010 at 1:29 PM
    #4
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    FlimFlubberJAM
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    4.10 gears, sliders, and lots of buttons.
    Ive seen them as high as .060+.
     
  5. Dec 19, 2010 at 1:51 PM
    #5
    gusotto

    gusotto gusotto

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    Gary
    Iowa
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    I think mine were original but I found out that they weren't the 100K plugs.
    Should have been replaced much earlier.

    They were worn to .074
    Truck ran fine but new plugs did make a difference.
     
  6. Dec 19, 2010 at 4:06 PM
    #6
    MassTaco

    MassTaco Well-Known Member

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    When I did my plugs @30k miles the NGKs had worn to a .052" - .055" gap while the Densos where .048" - .050".
     
  7. Dec 20, 2010 at 4:41 PM
    #7
    jdtemple

    jdtemple Well-Known Member

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    08 DBLCAB LB TRD Sport
    Lift & Tires, in cab power outlets, Locking Bed Boxes, K&N
    I just changed the plugs on my truck, here are the numbers.

    On my truck with 46150 Miles (74274Km), here were the gaps on my plugs. 1 is the plug closest to the radiator, 2 is middle, 3 is closest to the cabin.

    Drivers 1 NGK - .053
    Drivers 2 NGK - .054
    Drivers 3 NGK - .053

    Passenger 1 Denso - .047
    Passenger 2 Denso - .049
    Passenger 3 Denso - .049
     
  8. Dec 20, 2010 at 4:42 PM
    #8
    crf69

    crf69 scraping my emblems off my plasti-dip

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    Ryan
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    ummm yeah
    denso iridiums@ 51,000
     
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