From: christopher_bender@fmc.com (CHRISTOPHER BENDER)
Subject: RE: Spark Plugs
Said:
>>And when you look tat a Bosch platinum after some miles, its tip
becomes >>>rather concave, like the metal of the center electrode is
eroded. I >>>thought this was where platinums were supposed to be so
great???
Royal says:
Open a fresh box...they are DESIGNED with the concave...