The original unit, the Ignitor, is basically a replacement for points, NOT a high energy ignition. They are NOT recommended by the manufacturer for driving low impedence, high-output coils. They provide a level of spark much like the points they replace, but never "wear", "burn", or need adjusting to keep performance at a peak level.
HOWEVER, if the engine stalls at a point where the module is "triggered" (much like points being closed), the modules are too dumb to shut off, and will sit there and get hotter and hotter (along with the coil), 'til the battery is dead.
Sometimes, when this happens, the $moke gets let out of the module and/or the coil.
Pertronix has come out with the Ignitor II module for POPULAR applications. That unit will drive a HIGH output coil, and is SMART, shutting off coil current when the engine is not running/ turning over. The module controls dwell, based on engine speed.
An advantage EITHER unit has over points is that the Ignitors are less affected by distributor bushing/shaft wear/cam wobble than breaker points.
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Today's Featured Article - On the Road with Dave Gohl: Deere Departed Friend - by Dave Gohl. Have you ever had to part with a dear friend? It's not easy. If it's due to death, your feelings could be in disarray for days, months or even years. Even now after almost 4 years, I still miss my dad. I remember when I was a kid my dad sometimes would tuck my brother and I in at night and we would ask him questions about his childhood on the farm. To this day, it's some of the best stories I've ever heard. And now, I'm so glad that I asked those questions, and if I were a little smarter i
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