454 air pump - LS1TECH - Camaro and Firebird Forum Discussion

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454 air pump

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Old 04-02-2006, 08:57 AM   #1
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What is needed to remove all the pollution controls on a 1989 454 gm motor for better gas mileage?

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Old 04-02-2006, 04:23 PM   #2
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I wasent aware that you lost gas milage becuse of all the emission equpment. If it used more gas it would make worse emissions.
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