That all makes sense to me.
Most people I spoke to had never heard of spark plug ceramics breaking. They all figured that I must have broke them either installing them or taking them out..... NOPE!
We'll see how mine look in a few weeks when I pull them out to look at them.
It sure is running good except for the vibration in the steering wheel when it idles. It has done this from about 60K on.
Danny Brown