I still use Champion J11y or J12y and or the copper core being they are inexpensive and self cleaning ceramic. If you foul one just toss it. I know there are many other brands the AC commercial is also great. I don't have the alpha numeric type it is usually followed by the letter C. There are more expensive brands... but why? I have no better luck with them. 40 plus years a fleet mechanic, I have learned the hard way not to jump into the trick bag.
Date: Wed, 23 Dec 2015 20:11:06 -0500
Subject: [Chrysler300] G spark plug recommendations
What is the latest recommendation on spark plug type/brand for 61G?
Posted by: RICK AND DEBBIE CLAPHAM <rixpac@xxxxxxx>
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