6.7 mpg's - Ford Powerstroke Diesel Forum
6.7 Performance Parts Discussion 6.7 Performance Parts Discussion

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post #1 of 1 Old 08-24-2012, 06:52 PM Thread Starter
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6.7 mpg's

My father in-law has a 6.7 that was released with the old mapping (purchased in Oct-Nov 2010) and when he had it serviced for the first time Ford remapped it with the new engine programming and he lost some mpg's, roughly 2-3. I am not familiar with the 6.7 fuel economy other than being better than my 6.4. haha So I was curious how significant the fuel economy gain would be by doing a tuner, exaust and CAT/DPF Delete. Thanks guys.
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