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Old Tue, May 18th, 2010, 03:25 PM
juspifool juspifool is offline
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Default Road Trip - Best Mileage

I have the 87 Performance tune on a Gryphon for my '05 FX4 Supercrew and its great. I am looking to see what settings I can change to maximize my fuel economy on my upcoming road trip. I'll be traveling about 1400 miles both ways mostly on the highway.
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