New Cummins Question
I see there is alot of diesel experts here so I have a couple questions. Just traded in my 2017 6.4 hemi for a 2017 cummins. I had a 2003 cummins before the hemi so this new cummins and guages are a l...
Forum Discussion
I agree with IdaD, as long it is certified and tested to API standards then use the cheapest you can find. What really matters is its shelf life and the temp it was stored at which dramatically effects shelf life.
Although if you are "silly" like me and tune or "chip" your truck with the emissions system intact then be prepared to use more DEF in place of the increased fuel economy(about 2 mpg) and power. Most intact emissions equipment tuners will reduce the use of the EGR or shut it off completely and just use the SCR to reduce NOx. Similar to what Cummins will be doing with some future engines.
Although if you are "silly" like me and tune or "chip" your truck with the emissions system intact then be prepared to use more DEF in place of the increased fuel economy(about 2 mpg) and power. Most intact emissions equipment tuners will reduce the use of the EGR or shut it off completely and just use the SCR to reduce NOx. Similar to what Cummins will be doing with some future engines.
