I have all the parts to convert to a Dura Spark ingnition for my 73 and my 79 has a Hall Dura Spark Conversion. I raced a Motorsport Duraspark it was the most durable system I ever ran. I favor the factory ignition. If you break down you can stop at an Autoparts and pick up the part.
1987 Peterson Ford Highperformance Catalog list the part #'s.
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