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Denso iridium IK22


philbytx

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Forget the exact PN (22 or 24?) but had them in my 02 RT.

 

Better cold start performance, better idle, I thought worth it.

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LanceJFerraro

I put them in my 1100GS, improved idle and nearly eliminated that burbling popping on coast-down. It also used to have slightly detectable surging, which I cannot detect now. The plugs I replaced were Bosch two electrode plugs. I've used multiple electrodes for many years and I think they interfere with ignition and flame front propagation, which doesn't matter in my Toyota Tercel-a decidedly low performance engine-for their longevity, but on high performance engines I think they just get in the way.

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