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Forum name	Performance/Engine
Topic subject	Spark plugs are lean??
Topic URL	https://forums.2gnt.com/dcboard.php?az=show_topic&forum=i5&topic_id=16888
16888, Spark plugs are lean?? Posted by Talon95Stang, Mar-09-02 03:24 AM I pulled my plugs today and they are all lean. I have a milled head should I be running cooler plugs? and what are the stock plugs? Should I run NGK Iridium? now I have the NGK Platinum gaped at .050.