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Old 07-24-2008, 02:20 PM   #10 (permalink)
Tony Raine
EcoModding Apprentice
Join Date: May 2008
Location: Bono, AR
Posts: 170

Daily Driver - '01 Ford Explorer Sport
90 day: 18.12 mpg (US)
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i've tried e3 plugs, among others, and never noticed a measurable difference. i just use whatever plug the factory recommends.
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