Spark plugs.

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#11

10-31-2017, 12:12 PM

jkeaton

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Quote:

Originally Posted by 15DodgeJourney

Interesting, as I was always under the impression that iridium is always the best since it has a longer life "knowing that you are choosing compatible iridium plugs with the correct gaping".
It seems this is a YMMV subject.

I used to be the guy that takes out everything OEM "if possible" and replace it with an aftermarket: Shocks, spark plugs, brakes, wheels, etc... With years I learned that I don't always get the best results with the aftermarket, even if they advertise better components. I did learn to stick with OEM yet I don't really listen

Engines designed to run on copper plugs generally perform best with copper plugs.

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#12

10-31-2017, 12:55 PM

15DodgeJourney

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Quote:

Originally Posted by jkeaton

Engines designed to run on copper plugs generally perform best with copper plugs.

Indeed, but look how "for example" Rock Auto represents the spark plugs replacement for a 2nd generation Dakota. It seems as if the Iridium ones are the best replacement. Which I admit, was deceived by such representation and used to go far from OEM and how the engine is designed. I still have this bad habit in me every now and then