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Need expert help on my sparkies


Jellyfish
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hi guys, i`ve just came back from my servicing, 20k oil change, on redline 10w-30 engine oil, and i decided to replace the sparkies to those iridium ones, that last longer(100k i heard) but i intend to change it out at 60k. oh ya my engine is stock F20C block .

 

here is the pics, am i running rich or lean, it seems like having some corrosion prob and carbon build up issues. hmm :?

 

how to prevent the build up of carbon? and is there anyway to tune the fueling?

 

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the 4 sparkies, notice the rusty area

 

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looks like carbon build up to me

 

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theres a white spot there, seems like the sparks hit that spot onli

 

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looks like rust too, any way to prevent it?

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Those plugs looks just fine to me. The "burned like stain" on the porcelain are actually call corona stain which is perfectly normal.

 

Oh... do remember to coat a light layer of grease on your new plugs threads.

Edited by Trex101
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the plugs looks fine, only one the plug(third) looks a bit too hot.

You may want to run one dose of injector cleaner to ensure the injector spray pattern is good.

If you run iridium 100K, the tip is smaller, that will help reduce the carbon deposit on the head (even though i do not consider you have problem right now)

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hi guys thanx for the advise to run colder sparkies, and i shall not take the credit on the way those pix came out cos its my 8 year old video cam running on camera picture mode to take still pictures, the lense was pointing it 1cm from the sparkies lol, its a panasonic NV-GS70 video cam, guess it still take pretty good pic. [rolleyes]

 

back to topic, i`m just worried that a platinium sparkies that come with my ride, and have never been taken out would develop such feture so fast, my old jazz copper plugs looks like that after 20k . so i guess a bottle of STP injector cleaner and petronas primax baru3 before NSHW will do wonder i hope :D

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nothing wrong to your sparkplug. continue to use the same rating plug. Avoid using those aftermarket injector cleaner. there were plenty of article on such snakeoil. Refer to your user manual on the routine maintainance and your car will be fine. Uless u have tune/ mod your car b4. Well, thats nother story all together.

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nothing wrong to your sparkplug. continue to use the same rating plug. Avoid using those aftermarket injector cleaner. there were plenty of article on such snakeoil. Refer to your user manual on the routine maintainance and your car will be fine. Uless u have tune/ mod your car b4. Well, thats nother story all together.

 

Fully agreed with you. [thumbsup]

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I would suggest to use Nology spark plugs.long lasting

 

guess like there is another one trying to market a product here in 2 threads already (wat i've saw)...

gd luck bro...

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guess like there is another one trying to market a product here in 2 threads already (wat i've saw)...

gd luck bro...

 

just a suggestion as they (NGK and Nology) are reputable sparkies.

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