Quote:
Originally Posted by CamelotShadow
I'd like to know if the new Bosch opti wires don't have any resistance built into it.
I'm trying to stick w orig type plug
then they go ahead & change the wires...
Are the Bosch Premium solid core wires?
I got a set of them wires paired with non resisitor NGK plugs ready to go in
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Bosch describe the Premium wire sets as having Mag core conductors, which is apparently spiral wound nickel alloy (Elsewhere it says stainless steel). Obviously not copper. I read somewhere that the Premium Supreme have copper cores.
I was surprised to find this out myself having not researched this before I purchased!
But, these the Opti-Layer wires (09027) are recommended for my car in this guide:
http://www.thebestsyntheticoil.com/pdf/SparkPlugs&WiresGuide.pdf
I would like to have bought copper core wires with resistors built in as per originals. But now I have these wires, I think it may be just as well that I have resistor plugs?
In your case, not sure what it does to ECU and plugs if wire/plug combined resistance is lower than designers intended.