Not to be picky, but if our ignition systems were capacitor discharge type (CDI), the low resistance wouldn't be a problem.
What is the power rating of the resistors you're using? There's nothing inherently wrong with using the series resistors. The inductance of low resistance coils is low, and current can get flowing much faster than coils with higher resistance, and hence higher inductance.
I used ballast resistors on one of my motorcycles for a while, and used ones that were rated for 25 watts. I bolted them to an aluminum heat sink and everything stayed mildly warm. This was a points system, so the current was higher, hence the high power rating:
