Grovit Posted July 12, 2005 Posted July 12, 2005 Howdy - Need to replace the Impreza spark plugs - I've planked this question in scottish scoobies as although it's sort of technical and although it's hot weather just now, scotland is wet and cold for certainly the majority of the year, so I wondered if this would affect what spark plugs to get. It would seem that NGKPFR6B's are the favoured choice for std un-modified cars (which mine is) and NGKPFR7B's for tuned up beasts !! Anyone got any views on this at all.....? Need to get some plugs this weekend to try and help sort out a violent judder problem which I've got at half/ full throttle around 3,000 rpm (full post in strictly technical). Any help would be gratefully appreciated - cheers guys and gals !!
Marky-San Posted July 12, 2005 Posted July 12, 2005 I would recommend some HKS iridium items (or other make) - cooler burn to them and usually last longer from experience
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