I was told by the shop foreman during my recent tune-up that there were no meaningful advantages to using "Platinum" spark plugs and no meaningful advantages to using 100% "Synthetic" motor oil. I was told it was just a way for the auto industry to charge extra for these common things. The science sounds convincing to me that they would be beneficial, so now I'm confused. Should I go back to the basic stuff?
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Sunday, April 15th, 2007 AT 9:53 PM