Posts Tagged: Double fine wire electrode spark plug

Double fine wire electrode spark plug — Why it’s better

Why carmakers are switching to double fine wire electrode spark plugs A double fine wire electrode spark plug (DFE) is built on a traditional copper core with a fine wire fused to the core. A precious metal disc is fused to the bottom of the center electrode fine wire and a second fine wire with precious metal tip is fused to the side ground strap. Advantages of a double fine wire ((DFE) spark plug The much small diameter center electrode requires much lower voltage to jump the gap. The smaller … Read More