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Thread: Replacement Sparkplug option?

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    Replacement Sparkplug option?

    Quote Originally Posted by alex16 View Post
    Just took two more bolts off and removed the rear section of the air box to do some research, and then I saw how easy spark plug access was and now I'm anti seizing them (had to come inside for a bit and find my copper anti seize)

    Attachment 2527
    I took out my sparkplugs to see their condition and noticed some burn marks on the ceramic part. Is that normal. Also the plug model used in my car (JDM) is DILFR6A-11 where as someone else posted images of their spark plugs on the forum which shows LZFR5BI-11 I believe its the export version. so I would like to know what is the difference other than the heat rating. Also I am not able to find either models in Pakistan hence can someone tell me an equally good alternative for these plugs.

    Rgds
    Kashif Rahman



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    Administrator MetroMPG's Avatar
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    Hi, Kashif - welcome. You're the first member here from Pakistan.

    Hope you don't mind -- I moved your post to a dedicated thread to hopefully get more replies.

    ... noticed some burn marks on the ceramic part. Is that normal.
    What colour is the burn? A light brown residue would be considered normal, I would say. Black, not so much.

    Darin

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        click to view fuel log View my fuel log 2014 Mirage base ES 1.2 manual: 54.0 mpg (US) ... 23.0 km/L ... 4.4 L/100 km ... 64.9 mpg (Imp)


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    Burn Marks

    Quote Originally Posted by MetroMPG View Post
    Hi, Kashif - welcome. You're the first member here from Pakistan.

    Hope you don't mind -- I moved your post to a dedicated thread to hopefully get more replies.



    What colour is the burn? A light brown residue would be considered normal, I would say. Black, not so much.

    Darin
    Thanks for the relocation, Im new at this so still figuring it out. the burn marks on the ceramic part are light brown so I guess that's ok. but one the part that gets screwed in its more black. So might be better to change them as the initial startup takes a longer time than usual.

    Have a similar problem in my home generator, changing out the sparkplug solved the problem, so Im hoping to do the same here.

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    Senior Member Cani Lupine's Avatar
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    That's actually about normal. If the ceramic is getting brown, it means the spark plugs are getting too hot, but as long as there's no bubbling and cracking, you're good. Black carbon buildup around the threaded part is normal. Name:  IMG_3897.jpg
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        __________________________________________

        click to view fuel log View my fuel log 2014 Mirage DE 1.2 manual: 49.2 mpg (US) ... 20.9 km/L ... 4.8 L/100 km ... 59.1 mpg (Imp)


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    Quote Originally Posted by Cani Lupine View Post
    That's actually about normal. If the ceramic is getting brown, it means the spark plugs are getting too hot, but as long as there's no bubbling and cracking, you're good. Black carbon buildup around the threaded part is normal. Name:  IMG_3897.jpg
Views: 858
Size:  79.0 KB
    Sounds good, thanks.

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    Just one more question, where can I get replacement sparkplugs.. other than Mitsubishi itself as those are expensive.

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    Quote Originally Posted by kashrah View Post
    just one more question, where can i get replacement sparkplugs.. Other than mitsubishi itself as those are expensive.
    ngk 93298

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    Quote Originally Posted by f0k4l View Post
    ngk 93298
    can use denso VFKH20?

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    The OEM NGK iridium plugs are good for 75,000+ miles.

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    was thinking of getting a hoter plug 'cause I keep the engine 2k rpm and below quite consistently. Any ideas?



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