Why Use Resistor Spark Plugs
Ngk r or resistor spark plugs use a 5k ohm ceramic resistor in the spark plug to suppress ignition noise generated during sparking. I do have petronix pointless ignition though. Autolite 5924 Copper Resistor Spark Plug Ngk R5724 8 Spark Plugs For 602 603 604 S Set Of 8 Resistor Spark Plugs Resistor Spark Plug Caps The Effects The intention of these two items was to reduce emi electro mechanical interference or rfi radio frequency interference. Why use resistor spark plugs . Ngk strongly recommends using resistor spark plugs in any vehicle that uses on board computer systems to monitor or control engine performance. But not all spark plug manufacturers include this designation so looking at the current plug does not always help. Resistor plugs help suppress spark plug noise a valuable trait under certain circumstances. Using a non resistor spar...
