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roach400ex
11-05-2004, 11:22 AM
Im running a wiseco 11:1 and stage 2 dyno jet kit with choke removed,should I have a colder plug than the dpr8evx?:p
Silverfox@C&DRacing
11-05-2004, 05:06 PM
if this is for a 400ex I would run a drp9z.