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Old 09-18-2008, 07:02 AM   #6 (permalink)
almightybmw
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Join Date: Jul 2008
Location: Bozeman, MT
Posts: 248

Daily Driver - '02 Pontiac Grand Prix SE
90 day: 18.45 mpg (US)
Thanks: 1
Thanked 6 Times in 5 Posts
Did you consider using platinum plugs to offset the increased plug wear? Many seem to enjoy 100,000 miles without problem.
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