Replacement spark plugs

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11-26-10, 09:27 PM

Ocarman

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Replacement spark plugs

Anyone have any issues with using non-OEM Denso iridium plugs on a 2005 IS300, such as Champion iridium spark plugs?

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11-26-10, 10:10 PM

03LexIS300

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Quote:

Originally Posted by Ocarman

Anyone have any issues with using non-OEM Denso iridium plugs on a 2005 IS300, such as Champion iridium spark plugs?

Personally I like to use OEM plugs because your car will probably run best on them IMO. My car had autolite plugs in it when I bought it, and they had just been changed before I bought it and it didn't run that good on them. When I did timing belt and etc 90K maint to my car I also changed the plugs with Denso iridium plugs and it ran much better. Are the champion plugs 100K mile plugs like the Denso ones?