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Engines are evolving and spark plugs are changing to counteract the additional stress inside the combustion chamber.
Many OEMs are revising the spark plug replacement interval downwards. In the past, a spark plug might go 100,000 miles. On today’s direct-injected engine with a turbocharger, the interval might be just 35,000 miles. Watch the quiz and play the game, you might be surprised! This video is sponsored by Autolite.