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Hey guys, how are you? In this video I show you how to CLEAN AND CALIBRATE SPARK PLUGS AND I ALSO GIVE YOU TIPS ON HOW TO FIND OUT THE CORRECT SPARK PLUG GAP FOR YOUR CAR AND HOW TO TIGHTEN THE SPARK PLUG AGAIN IN THE CYLINDER HEAD WITHOUT A TORQUE WRENCH, WATCH TO SEE THE RESULT! Like the video! Subscribe to the channel!