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Autozone can't do this, Pepboys can't do this, Kragen can't do this - all they can do is look up by vehicle, if I ask for the next colder plug they don't even know what I am talking about, kids these...

Understood, thank you

The plugs I was using before were not even making it into the comb chamber, they were too short! Don't ask how those got in there... :HMMM:

The question regarding tapered...

So it seems like I should try a *colder* plug than what I have now which is Champion*Single Platinum #3983*- Heat Range 12 - tapered seat.

In doing a bit of research it looks like I could go with...