View Full Version : 454 air pump


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

Thanks
Ken

Generic0
04-02-2006, 04:23 PM
I wasent aware that you lost gas milage becuse of all the emission equpment. If it used more gas it would make worse emissions.