Go to Champion Spark Plugs


Manufactures Proprietary Terms
  • Champion PowerSport

  • Champion Stainless Steel Plugs

  • EZ Start


    • Conversion Charts
  • Displacement Conversion Chart

  • Heat Range Interchange (NGK-Denso-Champion-Bosch)


    • Center Electrodes
  • Fine wire

  • Tapered


    • Ground Electrodes
  • V-trimmed

  • Angled ground

  • Cut back ground

  • Multi-ground


    • Resistor Types
  • Resistor

  • Inductive resistor

  • Q-type suppressor

  • Resistor

  • Q-type suppressor


    • Precious Metal Types
  • Iridium

  • Platinum

  • Gold palladium


    • Plug Problems
  • Breakage

  • Erosion

  • Lead Erosion

  • Lead Fouling

  • Melting

  • Normal Plug Wear

  • Overheating

  • Shadowing

  • Fouling

  • Bridging

  • Deposits

  • Pre-ignition

  • Flashover

  • Quenching


    • Plug Properties
  • Thread

  • Reach

  • Hex

  • Terminal

  • Seat

  • Center electrode

  • Ground electrode

  • Copper core

  • Diameter


    • Ignition Anachronism
  • Wasted Spark Ignition

  • Radio Frequency Interference

  • RFI

  • Distributorless Ignition System

  • DIS

  • Capacitor Discharged Ignition

  • CDI Resistor


    • Glow Plugs
  • After Glow


    • Manufacturer's Numbering System
  • Champion


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    		Just as putting a board in front of a flashlight will block the light from everything behind that board, so the ground electrode can block a portion of the air fuel mixture from exposure to the spark. Thus a variety of ground electrode designs are available (fine wire ground, cut back ground, angled ground, Surface Air Gap, etc) all help to reduce shadowing.
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