Quote:
Originally Posted by RobertFini
I used the Champion part number shown in my owner's manual; they were about $2.00 each, easy to get at my local NAPA and they work just fine.
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I have searched for all the other brands and all are resistors. Even when I came upon some Champion plugs they were not what my manual recommends, which are S12YC, they were S12RYC )or something like that) and my understanding is that when there is an R designated in any manufacturer number of the spark plug it is a resistor in "almost" all cases.