FUEL ECONOMY IMPROVEMENTS FOR 6.0 PSD E 350 VAN
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12-06-2010, 01:18 PM
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FUEL ECONOMY IMPROVEMENTS FOR 6.0 PSD E 350 VAN
Does anyone have any experience improving their day to day fuel economy with thier 6.0 PSD with programmers, cold air intakes, larger exhaust systems, hydrogen fuel cells or any of the other products on the market which claim to improve your fuel mileage?
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12-06-2010, 04:09 PM
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