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Spark plug help!

Discussion in 'Performance and Tuning' started by 5vzrider00, Mar 18, 2009.

  1. Mar 18, 2009 at 7:23 PM
    #1
    5vzrider00

    5vzrider00 [OP] Well-Known Member

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    How do you gap the twin ground electrode spark plugs? When I bought them they were set to .025 but my manual says .043! Is this way off?
     
  2. Mar 18, 2009 at 7:24 PM
    #2
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Gap them to .040. Each side needs to be gapped at that. Just gap one side, then the other.
     
  3. Mar 18, 2009 at 7:28 PM
    #3
    5vzrider00

    5vzrider00 [OP] Well-Known Member

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    Thanks Chris. I was running them out of the box (. 025) but It was having trouble starting. Is that normal for them to be that far off measurement?
     
  4. Mar 18, 2009 at 7:29 PM
    #4
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Yes. Thats why I always say to check the gap, even if someone says they are "Pre Gapped"....:)
     
  5. Mar 18, 2009 at 7:32 PM
    #5
    5vzrider00

    5vzrider00 [OP] Well-Known Member

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    K&N FIPK intake, leveled, Apexcone HID conversion, pro comp alloys, magnaflow exhaust
    Thanks for your help. I have enjoyed many of your write ups. Also I would like to ask you what cat-back system I should get for my 3.4l v6? I feel better buying a cat-back rather than custom exhaust. Gibson any good? JBA? Jardine? Thanks Alot:D
     
  6. Mar 18, 2009 at 7:33 PM
    #6
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Yeah, they are all about the same. Flowmaster give a loss of power. Best gains are had with a Dynomax Super Turbo. Did you do the Deck Plate mod yet??
     
  7. Mar 18, 2009 at 7:42 PM
    #7
    Monkeysuncle

    Monkeysuncle My Cat's breath Smells like Cat Food

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    [​IMG]


    use any one of these. Kevin
     
  8. Mar 18, 2009 at 7:54 PM
    #8
    Monkeysuncle

    Monkeysuncle My Cat's breath Smells like Cat Food

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    The picture doesn't do it justice, but if you look you can see measurements on the "BLADES" I got really good at this on my previous vehicle and all the valve adjustments I had to do(Aircooled VW) just stack,,,,well, if you don't know just let me know..it's really easy a kind of do it yourself job
     
  9. Mar 18, 2009 at 8:20 PM
    #9
    5vzrider00

    5vzrider00 [OP] Well-Known Member

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    Thanks for the help! I just gapped all six and took it for a drive 5 minutes ago. It starts right up now and drives better:D. These spark plugs aren't even a week old yet But i knew something was wrong.
     
  10. Mar 18, 2009 at 8:21 PM
    #10
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Its a common mistake. Every dealer I have been to says the plugs are Pre Gapped, and its fine to just throw them in. Now you know for the next time. :)
     
  11. Mar 18, 2009 at 8:25 PM
    #11
    5vzrider00

    5vzrider00 [OP] Well-Known Member

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    K&N FIPK intake, leveled, Apexcone HID conversion, pro comp alloys, magnaflow exhaust
    Yeah thanks for the help though. I am really picky about my truck haha :). But which cat-back do you think I should get? I know the JBA is 2 1/4" piping and the Jardine is 2 1/5" piping. Which would work better with my engine? I love the sound of Magnaflow but I cant afford that one right now. I have $400 to spend.
     
  12. Mar 18, 2009 at 8:27 PM
    #12
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Not much difference between the 2. Get whichever one sounds best to you. :)
     
  13. Mar 18, 2009 at 8:32 PM
    #13
    5vzrider00

    5vzrider00 [OP] Well-Known Member

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    K&N FIPK intake, leveled, Apexcone HID conversion, pro comp alloys, magnaflow exhaust
    Well one is stainless and the other is aluminized but the area I live in is not very prone to rusting So I'm not sure... I thought about putting a 5x8x18 magnaflow on it and running new pipe from muffler back. It's so hard to decide lol:confused:
     
  14. Mar 20, 2009 at 11:51 AM
    #14
    ETaco23

    ETaco23 Marshall offroad Fabrication

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    I got the gibson cat back system. And I love the sound of it! I smile everytime I give it juice! :)
     
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