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View Full Version : Mercury Tech Spark plugs??


Sheer Insanity
03-01-2010, 09:13 AM
I have a 1998 3.0 225 carb motor and was wondering if anyone reccomends a plug type that gives better performance??
HStream1
03-01-2010, 09:33 AM
IMO I'd stick with NGK and the plug # that Merc recommends.