Trouble with pertronix ignition

Need a solution guys. Been through 3 pertronix ignitions in the last 5 years. 1 was a shorted electric fan maybe. Last 2 I don’t know. Have 12 volts, off ignition. Have a blaster .03 ohm coil. No resister. I do run a old sun tack 30 years old. Are pertronix igniter 2 not compatiable with old tacks? May not matter but I have converted my alternator to a 1wire alt direct to the battery so there shouldn’t be any spiking there. Ran a relay last time straight off the battery so it would get 14...

Trouble with pertronix ignition
Author: big block