OK, here goes.

I just got a new Pertronix Ignitor2 iggy set (91885) to replace my points that wear out frequently and cause my tach to jump, among other undesirable things.

My 73 SL has nearly new plug wires that appear to be the copper core kind I should not use. They say "Bosch Opti-layer Copper Core Ultra Premium." I read in other threads that there may be associated issues with harmonics that could/will damage the Ignitor2 unless I use non-copper core wires. These ohm out at about 1.3K ohms so I assume they have a resistor in the boot somewhere and that they ARE copper core kind. My stock coil shows about 0.3 ohms so I believe I need to keep the resistors in the circuit or do a new coil with internal R.

Do I need to replace the wire set or can I replace the boot ends or what.

I'm a bit confused and don't want to wreck my new Pertronix system before I get it running.

Please sound off. I'll call Pertronix tomorrow, but would appreciate any feedback.

Scott

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Scott
1974 450 SL (214K)