Solid core spark plug wires ???

Ive installed electromic ignition on old letter series farmall tractors with no problems. and I used the original copper core plug wires. Back in the day I ran a Mallory coil and condenser on solid copper core points ignition. I could scramble the cops radar scope.

 

in my stash I have about 12 feet of copper core hypalon spark plug cable and a old piece of the semi clear red tinted kind that you can see the wire in it.