Thread: Does Gryphon make a difference on a daily driver
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Old Sun, March 22nd, 2009, 07:39 PM
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Well on Florida State Route 52 driving about 20 miles at 55 MPH, the truck achieved a record MPG of 18.5 MPG!!! This truck has NEVER gotten 18.5 MPG on any other tune, including stock.
Last edited by kd4crs; Sun, March 22nd, 2009 at 09:53 PM.