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Spark Plugs - Iridium vs. Platinum

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Old 08-12-2009, 09:28 AM
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Wow, that is expensive. I bought some NGK Platinums for another car for $5 Cdn each!
Old 08-12-2009, 02:42 PM
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Not all plugs are that price - though i think the ones for my JDM B18c1 were somewhere between
Old 08-12-2009, 04:16 PM
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just ordered NKG laser Iridium plugs from amazon.com this weekend. 41.00 with free shipping. i believe ngk platinum plugs are what is stock. the chance of a slightly stronger spark may help my fuel efficency.
Old 08-12-2009, 08:04 PM
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some pretty helpful information in here.

http://ecomodder.com/forum/showthread.php/...worth-4037.html

and if you want to get supa dupa technical as why iridium is a better alternative then platinum, you can read the Denso SAE papers on iridium plug testing.

http://www.sparkplugs.com/pdfs/iri.pdf
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