Difference in ohm rating on plug wires?

Murray said

I think the lesson here is that if I have have a car with a lot of modern electrics, then I should be concerned about what wires I am running. If not, then I can run solid core wires or equivalent without fear. My cars have always been simple ones running solid core with no RF problems.

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Nope. There are virtually zero (I say virtually because I don't know every ignition system out there) electronic ignitions that will tolerate solid core wires. I first tried it in 1980 and it was a nightmare.

The ONLY ignition I KNOW for a FACT that uses solid core wires and must use them is a convention magneto. The MSD mags use a suppression wire. I can tell you solid wires on an MSD mag is a disaster.