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what is a realistic fuel economy on a stock 7.3 excursion?

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86K views 22 replies 19 participants last post by  scagle1  
2001 7.3 4x4 LTD. I'm about as stock as you can find these anymore, with 283k miles, we get around 15-17 city and right around 20mpg highway depending on how much I speed.