Title: Ehh...whatever
Review: Bought these hoping for better fuel efficiency. After much hyperbole, concluded that the really old spark plugs I was using delivered better milage regapped than these! What's that all about?Car: 1992 Nissan SentraI know the first thing you will think is: you put them in the wrong car. Well, not according to Bosch. They worked, just fine. I just got the same or worse mileage when doing so.
Is this product review negative?