An ignition coil is a vital component of a vehicle's ignition system. It is responsible for converting the low voltage from the battery into the high voltage needed to produce sparks at the spark ...

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You're hunched over the engine with your wrist painfully contorted, wishing you were Mr. Fantastic. You've finally removed broken spark plug number four and then the intrusive thought hits. "Should I ...

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This is the post test run of the 2006 Dodge Charger with the Sultans of Spark coils and Autolite plugs installed. The run was in third gear from 3500-5500 rpm (about 70-110 mph).