One thing to add... On the Pertronix ignition, there is an Ignitor and an Ignitor II. These ignitions use a magnetically switched trigger (not a magnetic pulse). This has a majior advantage and a majior disadvantage. When the trigger is active, it is a mechanical switch so to speak. Because of this if it is lined up to trigger it will energize the coil if the key is on. Just like the points if they are closed, this will fry the module (or the points). The good news is for those of us who use a light bulb or volt meter to time the motor. It acts just like points. Key on rotate the distributor until the light bulb lights.... I do like these things. The Ignitor II has a protective circuit to compensate if you accidentally leave the key on. I still wouldn't do it.
Originally Posted by bmorgil
