Had them in my car (something similar NGK iridium).....idle was irratic.....got some Autolite Double Plats....idles beautiful.
Hector
2003 Rally Red Mitsubishi Evolution VIII
257HP/259TQ
2005 Lapis Blue Mazda 6s
RET: 00 Cabernet Red Ford Contour Zetec ATX SUPERCHARGED
160HP/141TQ