Recent content by IPFreehley

Its the same road, so grade and surface is same. Not much wind either way. About same traffic both ways. Temp is maybe 5–10 deg different, abt 45 in morning, abt 50 on ride home.

Of course its not hand calculated. Its the dashboard system so the 17mpg can certainly be off, as the 21.7 can be. Point is that whatever the dashboard algorithm error, it would be basically static. Its the same going 80 mi to the shop as going 80 mi home from the shop because it wasn't...

I had the same thought, but fact is it did what it did. I wonder if something else isn’t controlling the design issue, some perceived epa benefit achieved by the clunky grid heater design. Only Cummins knows.

Monster and cold air intake. Immediately boosted mileage 4.7mpg day of installation on the 80mi drive to and from the shop on my 2023 2500 Ltd mega That’s 20%+. Very happily surprised.