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How To: Spark Plug Change (1 GR-FE)

Discussion in 'Technical Chat' started by chris4x4, Mar 16, 2009.

Page 24 of 116
  1. Mar 25, 2011 at 10:54 AM
    #461
    scrollworkman

    #461
    scrollworkman New Member

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    I had the opposite experience.At 29,000 miles ,I changed the plugs using a .43 gap and iridium plugs, forgot the brand,Auto Zone recommended them at 6 bucks a piece.My mileage went from 18 mpg to 21 mpg average.
     
    scrollworkman, Mar 25, 2011
    #461
  2. Mar 26, 2011 at 6:35 AM
    #462
    Smellfunny

    #462
    Smellfunny Member

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    I used OEM plugs. Maybe mine will go up to 27 mpg. Haha
     
    Smellfunny, Mar 26, 2011
    #462
  3. Mar 26, 2011 at 4:12 PM
    #463
    DTacoms

    #463
    DTacoms Well-Known Member

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    Hi Chris or anyone,

    I'm in the middle of doing this. What is torque spec of these 2 bolts when putting back?

    [​IMG]
     
    DTacoms, Mar 26, 2011
    #463
  4. Mar 26, 2011 at 4:17 PM
    #464
    chris4x4

    #464
    chris4x4 [OP] With sufficient thrust, pigs fly just fine. Moderator

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    16 ft-lbs.
     
    chris4x4, Mar 26, 2011
    #464
  5. Mar 26, 2011 at 7:10 PM
    #465
    DTacoms

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    DTacoms Well-Known Member

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    I'm done! Thanks Chris.

    The DENSO spark plugs from Toyota are indeed pre-gapped. Gap measured 0.42 to .043.
     
    DTacoms, Mar 26, 2011
    #465
  6. Mar 26, 2011 at 9:05 PM
    #466
    chris4x4

    #466
    chris4x4 [OP] With sufficient thrust, pigs fly just fine. Moderator

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    This ^^^ I have found .040 to .041 to be the best compromise.
     
    chris4x4, Mar 26, 2011
    #466
  7. Mar 27, 2011 at 7:10 PM
    #467
    blacoma42

    #467
    blacoma42 Member

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    Changed my plugs a couple weeks ago...I think one isn't firing!! Damn it to hell!!
     
    blacoma42, Mar 27, 2011
    #467
  8. Mar 27, 2011 at 10:49 PM
    #468
    MRW

    #468
    MRW Well-Known Member

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    How necessary is the anti seize? I've never added that to my other two cars that I dd the spark plugs on.
     
    MRW, Mar 27, 2011
    #468
  9. Mar 28, 2011 at 12:13 AM
    #469
    FTB530

    #469
    FTB530 Well-Known Member

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    Sure will make them easier to remove the next change,if you break one down in that hole you will be taking it to a dealer to fix,unless your a mechanic.
     
    FTB530, Mar 28, 2011
    #469
  10. Mar 28, 2011 at 12:17 AM
    #470
    FTB530

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    FTB530 Well-Known Member

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    One question , my owners manual says to use the iridium plugs,when i asked the guy at the parts counter at the dealer he told me they dont use those in the v-6,do any of you use them? I just used the plugs he gave me, not sure if i should try the iridium next time.
     
    FTB530, Mar 28, 2011
    #470
  11. Mar 28, 2011 at 12:53 AM
    #471
    romafern

    #471
    romafern Hug diz nuts

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    Thinking of adding a second battery...
    How sure are you that one is not firing?
     
    romafern, Mar 28, 2011
    #471
  12. Mar 29, 2011 at 11:29 AM
    #472
    DTacoms

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    DTacoms Well-Known Member

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    Interesting info on the use of anti-seize compound. What do you think?

    [​IMG]
     
    DTacoms, Mar 29, 2011
    #472
  13. Mar 29, 2011 at 11:37 AM
    #473
    chris4x4

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

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    Not sure. I still apply a little anti sieze, and have had no issues with it. Im not wanting to test it to see if they end up fusing to the head.
     
    chris4x4, Mar 29, 2011
    #473
  14. Mar 29, 2011 at 2:20 PM
    #474
    george3

    #474
    george3 Well-Known Member

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    Wow ! This is a 180 from what I've been told since they started using aluminum.:eek: I hope someone will test this out. If the plug bonds to the head and snaps off it will help me make my decision.:D Thanks.
     
    george3, Mar 29, 2011
    #474
  15. Mar 31, 2011 at 3:49 PM
    #475
    FARNORCAL

    #475
    FARNORCAL Well-Known Member

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    Finally got a nice day yesterday here in MASS. So i took advantage of it changed my plugs :D Great trend Chris. Everything went nice a smooth. My truck was at roughly 33800. I swear that changing the plugs made my truck run and sound smoother. Maybe its in my head :p But I'm a happy camper. If you have any mechanical skill I highly recommend doing the plug change yourself. It was super easy and it'll save you a ton of money. On place that i recommend to get a torque wrench is Harbor Freight picked mine up for $20 it might not be SNAP ON but it does the trick.
     
    FARNORCAL, Mar 31, 2011
    #475
  16. Apr 2, 2011 at 9:32 AM
    #476
    TexasTacoma37

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    TexasTacoma37 Well-Known Member

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    Thanks for the writeup Chris. Just changed mine and it was a breeze.

    +1 rep.
     
    TexasTacoma37, Apr 2, 2011
    #476
  17. Apr 7, 2011 at 6:15 PM
    #477
    jjw1

    #477
    jjw1 Well-Known Member

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    What is the part number on the NGK's?
     
    jjw1, Apr 7, 2011
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  18. Apr 10, 2011 at 7:03 AM
    #478
    george3

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    george3 Well-Known Member

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    Iridiums are supposed to be changed at 100,000 miles. They may be welded to the block by then - dissimilar metals. When would you change them to avoid this ? And now the post above says not to use anti-seize so how do we stop them from welding to the block ?
     
    george3, Apr 10, 2011
    #478
  19. Apr 10, 2011 at 6:40 PM
    #479
    jkayes

    #479
    jkayes New Member

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    Great thread Chris! Went smooth as silk today. Front drivers side reconnect went well when I just rotated the coil into the clip (as suggested earlier). Plus did not have to remove the VSV connector.
    I would not have wanted to go into this blind.
     
    jkayes, Apr 10, 2011
    #479
  20. Apr 14, 2011 at 12:49 PM
    #480
    gov875

    #480
    gov875 WahooTaco

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    sub'd for later use. thanks a lot Chris. if you're ever in MD i owe you a few beers for all the money you've saved me on DIYs

    then again this site has cost me way more than that in mods so i guess we'll call it even :D
     
    gov875, Apr 14, 2011
    #480
Page 24 of 116

Products Discussed in

TEKTON 3/8" Drive Micrometer Torque Wrench (10-80 ft.-lb.) | 24330
$38.79
Denso (3381) K20HR-U11 Traditional Spark Plug, Pack of 1
$6.10
LEXIVON 5/8" Swivel Magnetic Spark Plug Socket, 3/8" Drive x 10" Total Length | Enhanced Magnetic Design with Thin Wall Socket, Cr-v Steel (LX-122)
$14.97
Toyota Genuine Spark Plug
$8.01
DENSO ---SK20HR11---- IRIDIUM PLATINUM power pack Spark Plugs -- # 3421 ----- 6 PCS NEW
$56.76
GEARWRENCH 3/8" Drive 6 Pt. 5/8" x 6" Magnetic Swivel Spark Plug Socket - 80546
$9.99
TEKTON 1/4" Drive Micrometer Torque Wrench (20-200 in.-lb.) | 24320
$50.00
NGK (7787) LFR6C-11 V-Power Spark Plug, Pack of 1
$9.49
Denso (4704) IKH20TT Iridium TT Spark Plug, (Pack of 1)
$7.96
Denso 5346 Spark Plug
$11.00
Toyota Genuine Spark Plug
$7.46
Denso (3194) K16TR11 Spark Plugs, Pack of 4
$17.95
GEARWRENCH 3 Pc. 3/8" Drive 6 Pt. Magnetic Swivel Spark Plug Set - 41740D
$60.08
NGK Spark Plug Stock # 3967
$6.99
Denso (4506) PKH20TT Platinum TT Spark Plug, (Pack of 1)
$5.07
Denso 3120 Spark Plug
$4.74
Jobsite Chest, 36" W x 19" D x 16" H, Tan
$686.00
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