I read it, FOG. But I also read elsewhere, Florida, not to use resistor plugs and the ix are iridium which are resistor plugs. 5k resistance average.FloridaEX500 said:Use the dr9eix or the dr8eix, one is hotter than the other, use the tutorial to determine which is best for your particular needs.
Florida uses the dr9eix on his previous race engine on his gen 1 ex. They work great.