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The Truth About Spark Plugs....

Discussion in 'Technical Chat' started by chris4x4, Apr 20, 2011.

Page 7 of 13
  1. Feb 14, 2013 at 12:49 PM
    #121
    dibble9012

    #121
    dibble9012 Well-Known Member

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    Thanks for posting the info on here. Replaced my spark plugs today with NKGs. The original plugs from the factory were still there (this was part of my "new to me" maintenance which also included all fluids and air filter). Surprisingly, from what i could tell, the Toyota Maintenance Schedule recommends the first replacement at 120k miles on the v6. Gaps ranged from .047mm to .060mm.

    y7e5u4yv_ab4ff88a15d6c6d2eb75ac119a49eb46253e247d.jpg
     
    dibble9012, Feb 14, 2013
    #121
  2. Feb 16, 2013 at 11:09 AM
    #122
    Big O

    #122
    Big O Well-Known Member

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    Also, there are gases excaping from the battery that Can/Have Expolded from sparks from doing things like that.
    Trust me.
     
    Big O, Feb 16, 2013
    #122
  3. Feb 16, 2013 at 11:52 AM
    #123
    BamaToy1997

    #123
    BamaToy1997 Wheel Bearing Master

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    Yes, extreme caution should be used when one chooses to discharge the internal capacitors. You are correct in that. The point I was making in my earlier post was that touching a negative cable to a ground point does nothing to actually discharge a capacitor. Granted when you disconnect the ground cable itself the capacitors will begin to discharge on their own, but if you want to discharge them completely you can "short" the capacitors, thus draining them totally.

    The only way to short it is to have the battery itself disconnected (always remove the ground cable first, as directed by every manufacturer) and short a ground to a power source. This can be done several ways, but typically the easiest has been to short the removed ground cable to a positive source, which can be the positive terminal of the battery, or the alternator's power cable, or, in some vehicles which have this option, to the jumper cable connection block.

    I do concede that you are correct, and caution should be used when doing this type of action.
     
    BamaToy1997, Feb 16, 2013
    #123
  4. Feb 16, 2013 at 8:52 PM
    #124
    Leggo

    #124
    Leggo slow is smooth, and smooth is fast.

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    got it now, :thumbsup:
     
    Leggo, Feb 16, 2013
    #124
  5. Feb 17, 2013 at 5:22 AM
    #125
    Leggo

    #125
    Leggo slow is smooth, and smooth is fast.

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    :facepalm:
     
    Leggo, Feb 17, 2013
    #125
  6. Feb 17, 2013 at 10:38 AM
    #126
    Leggo

    #126
    Leggo slow is smooth, and smooth is fast.

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    do you know what sarcasm is?
     
    Leggo, Feb 17, 2013
    #126
  7. Feb 17, 2013 at 11:45 AM
    #127
    Leggo

    #127
    Leggo slow is smooth, and smooth is fast.

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    I feel better now, I was a little worried and thanx for the comp.
     
    Leggo, Feb 17, 2013
    #127
  8. Feb 18, 2013 at 7:23 AM
    #128
    BlueT

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    BlueT Well-Known Member

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    BlueT, Feb 18, 2013
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  9. Feb 18, 2013 at 7:26 AM
    #129
    BlueT

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    BlueT Well-Known Member

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    What do you mean we dont know who he is... Isn't it obvious :cool:
    He is great mechanic...
     
    BlueT, Feb 18, 2013
    #129
  10. Feb 18, 2013 at 7:30 AM
    #130
    BlueT

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    BlueT Well-Known Member

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    That banhammer must be itching at this point
    [​IMG]
     
    BlueT, Feb 18, 2013
    #130
    Stryker420 likes this.
  11. Apr 16, 2013 at 5:36 AM
    #131
    PPower05

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    PPower05 Well-Known Member

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    Question- Don't the premium plugs give you a longer service interval? Is there anything wrong with using them? (Have kids, don't get too much time to work on my truck)
     
    PPower05, Apr 16, 2013
    #131
  12. Apr 16, 2013 at 7:43 AM
    #132
    127.0.0.1

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    127.0.0.1 AKA ::1

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    why cheese out and try to increase a service interval beyond what is state din the manual ?

    also, please do not use the word 'premium' as it means nothing really....
    rather, state the exact make/model/type of plug

    you either have a:
    standard copper plug
    or platinum tipped
    or iridium tipped

    all OEM...made by Denso or NGK

    of these, platinum or iridium wear out slower, is that what you mean ?
    -------
    for other plugs...splitfire, halo, pulsestar...all sorts of mpg increase
    claims, they are all 100% garbage and a waste of time and money
    -------
    in any and all cases, use the plugs which are stated in the manual

    essentially reposting the first post here

    Spark plug
    2.7 L 4-cylinder (2TR-FE)
    Make DENSO SK20HR-A11
    Gap 0.043 in. (1.1 mm)


    4.0 L V6 (1GR-FE) engine
    Make DENSO K20HR-U11
    Make
    $10 NGK LFR6C11 NGK (7787) LFR6C-11 V-Power Spark Plug, Pack of 1
    NGK LFR6C11
    Gap 0.043 in. (1.1 mm)

    Iridium-tipped spark plugs (2.7 L 4-cylinder [2TR-FE] engine only)
    Use only iridium-tipped spark plugs. Do not adjust gap when tuning engine
     
    Last edited: Apr 16, 2013
    127.0.0.1, Apr 16, 2013
    #132
  13. Apr 22, 2013 at 5:34 PM
    #133
    pjs42

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    pjs42 Well-Known Member

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    Great info
     
    pjs42, Apr 22, 2013
    #133
  14. Apr 22, 2013 at 5:37 PM
    #134
    pjs42

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    pjs42 Well-Known Member

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    What do you think about E3 plugs ??
     
    pjs42, Apr 22, 2013
    #134
  15. Apr 22, 2013 at 5:47 PM
    #135
    chris4x4

    #135
    chris4x4 [OP] With sufficient thrust, pigs fly just fine. Moderator

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    chris4x4, Apr 22, 2013
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  16. Jul 1, 2013 at 10:45 AM
    #136
    garyods

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    garyods Member

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    Not the plugs themselves, but if you are using it as a daily driver and paying someone else to perform your service, the Platinum or Iridium plugs offer a much longer service life (3+ times longer) which means 1/3rd less labor (or personal time) to keep it running. I’m just about to have my Platinum plugs replaced after 110k (on the plugs - 190k on the clock) and it’s still running fine, smooth and getting good MPG.

    I like.
     
    garyods, Jul 1, 2013
    #136
  17. Jul 1, 2013 at 11:06 AM
    #137
    ABA180

    #137
    ABA180 It burns when I pee....

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    Off the assembly line, what do our trucks have..specifically, my 5 lug 2.7, and how often should I change them? Only just hit 19k.
     
    ABA180, Jul 1, 2013
    #137
  18. Jul 1, 2013 at 4:20 PM
    #138
    worthywads

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    worthywads Well-Known Member

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    2.7l = iridium, 120k :evil: it's in your maintenance schedule and manual.
     
    worthywads, Jul 1, 2013
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  19. Jul 1, 2013 at 5:30 PM
    #139
    ABA180

    #139
    ABA180 It burns when I pee....

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    Thank you Sir Wads..I've heard different things, so I figured where better to ask :)
     
    ABA180, Jul 1, 2013
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  20. Oct 9, 2013 at 9:30 AM
    #140
    talisker

    #140
    talisker Well-Known Member

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    Using a longer lasting plug most certainly DOES increase efficiency! If I don't need to replace plugs every 30k and can go a true modern distance, 100k as many manufacturers now suggest as maintenance intervals, who cares if the spark is greater? The plugs are more efficient because I don't have to mess with them all the time. I'm sorry but 30k intervals are standards from 1979.

    You even state that it is a matter of wear on the electrode. If I can go three times longer on wear, I can go three times longer between changes. Tacoma suggests instead that I go through 3 sets of plugs by 90k. That is the true Bull as far as I'm concerned.



     
    talisker, Oct 9, 2013
    #140
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