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Old 09-05-2008, 09:55 PM   #8 (permalink)
FunkSkunk's Avatar
Join Date: Aug 2008
Location: Marble, NC
Posts: 121

The Mach .05 - '98 Chevy Metro LSi
90 day: 48.88 mpg (US)
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along with what the others have said just get some name brand plugs and you'll be good to go. Spark plugs are the worst for building up the hype on power and MPG. Also look into the fuel filter, that could help.

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