[KitCarlsonEMS]

A conventional plug lasted about 1K miles. The electrode was rounded and the gap increased about 0.01". I think the energy is sufficient to vaporize a Bosch fine wire platinum in a few sparks. I did this over 10 years ago. This was before other platinum plugs. The spark sounds like a small fire cracker going off. Visually the spark is a white ball of light about 0.25" in diameter. I could have reduced the capacitor value for less energy. The seat of the pants dyno showed slight improvement only under condition such as too rich or lean of fuel mixture. The complexity of the system made me think, reliability could be poor. I also worried about burning a hole in a piston.