Scott E Posted June 10, 2020 Report Share Posted June 10, 2020 I'm going to order a Type III electronic ignition system but I've found there are two versions. The cheaper of the two uses resistors and capacitors to accomplish ignition timing control. For another $10 you can have a microprocessor accomplish the same function. I think the cheaper one would actually be more robust as the heat inside the timing cover could kill the microprocessor chip in the slightly higher cost one. I didn’t say the timing advance system because none of them actually advance the timing when operating. They actually retard the timing to control the "advance" curve. That's the reason the sensor is set at maximum advance when static timing these systems. At lower RPM timing is retarded by the system until RPM increases to the maximum design setting. I don't see any advantage to having a microprocessor adding complications when resistors and capacitors can do the same job and possibility adding to reliability. Am I wrong? Anyone have experience with these units that can suggest which to order. Quote Link to comment Share on other sites More sharing options...
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