Mains, did you do this to them ? Or leave them as is ?
It matters.
HEI ? You will not get any more power out of a HEI vs a points triggered MSD. proven it.
Less to go wrong and no apps to screw up.
You can get HEI for other makes too. Some Ford racer I know run them. Coil on cap and all that. I ark them why and they look at me like I am nuts. HEI has this reputation I do not get.
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