I hope those weren't Bosch platinum plugs. The quality on those sucks, except for the really high-dollar ones that are hard to find anyway. For a Honda, NGK plugs are very good--or you can go with Bosch silver or copper plugs, their QC seems to be just fine. But the platinums with the little speck of Pt in the inner electrode? Bad stuff in my experience.
-soD
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