Great thread!! Plugs are enormous!!
What are the engine operating changes with these SC'd cars indicating that new plugs are needed?
I have 4300 miles after 1 year of ownership (as of last Tues, 7/9/13), and I have noticed no performance changes with the OE plugs, which I have never touched!
What are the engine operating changes with these SC'd cars indicating that new plugs are needed?
I have 4300 miles after 1 year of ownership (as of last Tues, 7/9/13), and I have noticed no performance changes with the OE plugs, which I have never touched!
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