Join Date: May 2018
Location: Yerington, Nevada
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Brand new here. Ignition specialist.
There are a few things to know about any and all electronic point replacement systems, such as the PerTronix.
First and foremost, no matter whom says what, no website says differently, no drop-in point replacement system is an HEI, they are a simple points level replacement, and should all always be run with the stock coil and resistor in place.
There are no electronics inside them to "drive" any coil harder than a stock set of points. They make the same output, no matter the coil, no matter the input feed volts, as does a brand new set of points, on their first spark, they just make that all the time,m never degrade.
It was mentioned above that voltage can cause failures in Ignitors, very true, too much input volts, they fail. If the coil has a layer shorting issue inside it, overloads the Ignitor to failure.
Spark plug gaps with Ignitors, no more than .035, preferably .032, and stock GM point coil, run on the stock GM resistor, NO full battery volts. ALWAYS magnetic suppression, spiral or magna core wires, NEVER solid steel or copper plug wires.
First series Ignitor is the best, all from there were "modified" to make them into perf ignitions, doesn't work. The first series is a good system, when the right resisted input volts and other things are done correctly.
Good, clean connections, good, clean grounds are also essential with all ignition systems, battery always grounded to engine first, then chassis.
Just info to consider. YES, I do ignition systems for a living, 40 plus years.