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View Full Version : Did i miss something????????



cookie man
November 22nd, 2013, 05:19 AM
I'm a newbie so forgive my ignorance.. Just did some " modifications " to my truck. I have a 2008 cummins . I tow a 20ft enclosed trailer every day for work. I ran the " full " tow tune on my efi autocal last week. Don't really notice that much of a difference in mileage or performance with the truck. Any thoughts?

DAVe3283
November 22nd, 2013, 01:44 PM
Who did the tuning? You should probably be asking them. We have no way of knowing what they programmed in to the autocal.

You can probably ask them for a more aggressive tune.