Electronic ignition will eventually fail no matter what it's but a well built system will last longer.
In 1994, I was stranded with my uncle in his late 70's Dodge truck that burned up the original electronic control box.
In 1999, I was stranded in a parking lot with my buddy in his 1967 Mustang because his 8 month old MSD (I think it was a 6AL) box failed.
You can use whatever you like but ALWAYS have a set of points/condenser in the glove box with the proper tools to get it running again.
When I had a 1973 Chrysler, I had a spare electronic control box and ballast resister. Probably should have had a spare pickup coil too but none of them failed in the 5 years I had the car.
Always be prepared when driving old vehivles.
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