Manufactures Proprietary Terms
  • Autolite HT Plugs


    • Racing Plugs
  • Autolite Racing Charts


    • Test Results and Media
  • Autolite's spark plug change walk-through

  • Autolite's tune-up safety tips


    • Conversion Charts
  • Displacement Conversion Chart


    • Center Electrodes
  • Iridium

  • Fine wire

  • Tapered center

  • Necked down


    • Ground Electrodes
  • Sidewire Technology

  • Cut back ground

  • Trimmed side electrode

  • Multi-ground


    • Resistor Types
  • Resistor


    • Precious Metal Types
  • Platinum


    • Plug Problems
  • Breakage

  • Erosion

  • Lead Erosion

  • Lead Fouling

  • Normal Plug Wear

  • Overheating

  • Fouling

  • Bridging

  • Deposits

  • Pre-ignition

  • Quenching


    • Plug Properties
  • Thread

  • Reach

  • Hex

  • Terminal

  • Seat

  • Center electrode

  • Ground electrode

  • Copper core

  • Diameter


    • Ignition Anachronism
  • Wasted Spark Ignition

  • Distributorless Ignition System

  • DIS


    • Glow Plugs
  • After Glow

  • Ceramic Glow Plugs


    • Manufacturer's Numbering System
  • Autolite


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    Engine Displacement Conversion Chart
    Engine Displacement Conversion Chart

    		 Displacement Conversion Chart for Popular Engine Sizes
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