Spark Plugs

[MDrive]

I just picked up some spark plugs, Bosch W7DC. The suggested one for my 86 Carrera is a WR7DC, and I am assuming the lack of "R" means that there is no resistor in the plug? I am just about to install new plug wires this weekend as well and they are not shielded. Am I asking for trouble by not having shields or resistors?

Thanks,
Mike
86 Carrera

[Early_S_Man]

No ... they're only for compliance with RFI limits in Europe. You may hear extra noise in your audio system, though!

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Warren Hall
1973 911S Targa
1992 Dodge Dakota 5.2 4X4 parts hauler