Learning Center

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  Spark Plug Anatomy

  Not all spark plugs are created equal...

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  What is an Inductive Resistor?

  In an inductive resistor design, a coiled nickel wire is inserted into the stem and held in place by a spring...

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  What is a Resistor Spark Plug?

  Resistor spark plugs prevent interference with electronic equipment...

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  What is a Spark Plugs Heat Range?

  The term heat range refers to the speed with which a plug can transfer heat from the combustion chamber to the engine head...

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  What are Copper Core Spark Plugs?

  Almost all spark plugs use a copper cored center electrode to conduct the electricity, jump the gap, and promote heat dissipation...

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  Spark Plug Center Electrode Designs

  Center electrodes come in a variety of shapes and sizes...

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  Spark Plug Ground Electrode Designs

  Ground electrodes come in a variety of shapes and sizes...

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  Common Spark Plug Problems

  Let's explore three common problems in the firing sequence...

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  How are Spark Plug Threads Measured?

  A spark plugs threads are comprised of three dimensions...

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  How is a Spark Plugs Reach Calculated?

  A spark plugs reach is calculated by the length of the threads...

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