NGK resister plugs iridium resister.

[thegalant]

Aren't most if not all NGK plugs resister plugs? I'm looking at the NGK BKR5EIX-11 they said int he tech info that they are resister plugs. So are these alright? Some one said in another thread iridium were bad for the 2.4?

[oakrdrs187]

http://www.ngksparkplugs.com/techinf...aqresistor.asp

On the 2.4 use only NgK R copper tips no more no less, you can use the v-powers as an alternative should your parts stor not have regular ones.

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[thegalant]

http://www.ngksparkplugs.com/techinf...aqresistor.asp

On the 2.4 use only NgK R copper tips no more no less, you can use the v-powers as an alternative should your parts stor not have regular ones.

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Is it a heat issue? Several other threads recommended iridium ngk or denso. I'm asking because I'm wondering if the Denso IK16 or NGK BKR5EIX-11 is better. The NGK has a .6mm electrod the Denso has a .4mm. Both have the same heat rating. Thanks for the reply. I just used the NGK platinums and they failed after about 40k miles, all the electrodes eroded to different lengths.

[oakrdrs187]

I dont get too technical with spark plugs and just stick with what works, unless you are boosting I wouldn't mess much with it much.

Just know that nothing has proven to work better on the 2.4 than the regular ngk-r.

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