another '13 PWP 6MT from socal - Page 5 - Honda CRZ Forum: Honda CR-Z Hybrid Car Forums
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post #41 of 43 (permalink) Old 09-29-2018, 08:04 PM
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Over fifty years of driving and wrenching. I've never seen a gain in wandering from factory original spark plugs. "Path of least resistance"? Yeah, cows, water and electricity will always take that route.

Then again, other than some supercharged situations where the old platinum plugs and their micro-wire electrode would become incinerated, I've not seen much loss in changing to a different spark plug. Just keep away from gizmo plugs like those jackass E3 plugs and their baloney claims.

And yeah, don't use "premium" gasoline. Ask Google.
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post #42 of 43 (permalink) Old 09-30-2018, 09:21 AM
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Something else to consider. The gap is out of specification! There is a reason the engineers picked a particular gap. Why did you not just clean them re-gap them ( some would suggest indexing them ( a very black art in my mind)) and then see if problem went away at just the cost of some of your time and a little cleaner. A Practical solution instead of randomly going with some other brand plug that may or may not be any better than what you already had in your hand and has an earlier replacement time? At 95K they were entitled to a little care. But you already changed them so my suggestion comes too late.
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post #43 of 43 (permalink) Old 09-30-2018, 09:10 PM
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Yeah, indexing (aligning the side electrode in a specific angle inside the cylinder) is stuff from 350 Chevys. I guess they think it works. But what the hell, they're working on Chevys.

I will admit that one plug change I did used to make was to use projected tips, but I see we already do.

Anybody still have their little plug-cleaning sandblaster?
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