Originally posted by ContourPower:
Originally posted by Stazi:
NGK make Iridium plugs to if you MUST have them
NGK and others who clame iridum plugs are crap. NGK has approx 20% irdium content compared to denso's.
Give me 12 hrs so i can go into work and get all the data, but I just did a 400 hr long durability test on the 3 types of iridum plugs and denso ow3z.
-Tim 
And that is why I use copper plugs. 
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
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