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Old 03-26-2008, 04:04 AM   #1
zombiescustoms
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Join Date: Mar 2008
Location: Abingdon, MD
Posts: 74
Re: Fuel efficiency...what MPG do you get?

89 454 TBI Burban, just did a 300 mile trip and got a solid 10 MPG thinking of putting a TB spacer, injector spacer and an adjustable fuel pressure reg on , supposed to help mileage.
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