Mph on 03 350 fx4 - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 1 (permalink) Old 10-21-2015, 02:50 AM Thread Starter
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Mph on 03 350 fx4

When i gpt the truck it was getting around 13mph but up pipes were leaking and fixed those and exh,cold air,and programmer but truck still gets around 13 on hwy. I would think it would do better or is it the 4wd ? No matter how hard u drive it on hwy its the same. Was wondering what kind of mpg other guys were getting.And its a 7.3 and has 373 gear
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