Starting in 2011, Ford and General Motors began using Bosch Mobility CP4 pumps to provide high pressure fuel ... liter Cummins diesel from 2014 to 2023 with Ram also using it on the 6.7-liter ...
In terms of efficiency, the 6-cylinder Cummins (non-high output) offers better fuel economy than the larger V8 Duramax. The 6 ...