Plug wire, spark plugs and dwell, New info on post 24 Options

[VaccaRabite]

So my car starts bucking again on todays shakedown cruise (and with the PA roads this spring it is REALLY SHAKING!). I pull back home guessing the #3 lead came off again. With the car running I touch the lead pull it off the #3 plug. While I'm doing this the plug wire is shocking the hell out of me!

Like an idiot I stand there looking at it (as it continues to shock the hell out of me) until I drop it and I hear it arcing against something in the engine bay.

I turn off the car and remove the entire lead (I have coil near plug, the lead is only about 6 inches long). Flexing it all over, I can't find ANY breaks in the insulation. these leads are almost brand new, and only have about 200 miles on them. They are very flexible and the insulation seems to be in great shape. The pulse was jumping through the insulation on the wire and arcing against the powdercoated #3 intake runner, causing the bucking. The coil pack is certainly strong!

I moved the wire as far as I could from the intake runner (the pack is bolted right next to the intake runners, so I can only move it so far) and the car ran flawlessly. I went on a 30 minute drive and it was AWESOME.

So... what next. On a wet day its going to be arcing everywhere. I've sat through that ride before. Maybe make new leads with thicker plug wires? Do I need spiral wound?

@mcmark
@spoke