Thread: Spark plugs
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Old 06-18-2010, 12:50 AM   #4 (permalink)
JellyBeanDriver
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Yeah, it all depends. I would think if they're as bad as you say, you should notice a difference. Maybe not much in FE but likely in driveability which that alone can be worth it.

I've tried specialty plugs and they've all been a waste and in one instance it was a detriment. NGK coppers have always worked great for me in my foreign cars.
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