[DML] Re: spark plugs

I just (last week) bought a set of plugs, the HR6DS, as recommended.
The price was $6.00 / ea. the cost of the platinum HR6DP, was ~$3.00.
I did question the cost difference at the time & decided to go with the
recommended plug. Was this a bad move???? I'll tell you in another 50K
miles


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