Forum Discussion
Steve_in_29
Sep 24, 2016Explorer
Vinsil wrote:
Emissions fell off my truck so I had to tune it to make the check engine light go away. Now it runs better than a 5.9 and gets similar mileage. *wink*
I am friends with a Ford Dealer that told me about some of his customers removing all the smog from their 6.4's and getting better power and over 20mpg. Of course those guys were all screwed when CA instituted smog checks for diesels.
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