Fuel
My 425 Cummins seems like it’s got 50 more Hp out West , we are out here on vacation I guess no humidity. Back in ky seems like it’s runn in a strain all the time. Gets about 6 mpg. It’s in a 2011 New...
Forum Discussion
It does not have to have the def. I had a 04 400 isl an it would pull this one an it's load. Can I have it turned up with a programmer or turn more fuel to it, and also I just get 6 mpg my 04 got 7.8
