Spark plugs
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Join Date: Aug 2003
Location: USA
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Spark plugs
I've got a '00 WS6 with almost 30k on it. I want to change the spark plugs. What brand should I use, and why do you think so? I have always used AC Delco in my GM vehicles. When I wanted to upgrade I used Rapid fires........
almost forgot-the engine is pretty much stock
almost forgot-the engine is pretty much stock