Thanks for establishing this new "Area". Much appreciated.
Sorry about my ignorance but what does the Graphite mean??? I have a 2020 2500 Laramie 4x4
Wow, I will read into this! Thanks for your responseFrom drivingline.com:
Getting away from gray cast-iron for the first time in this engine’s history, the high output 6.7L Cummins now sports a compacted graphite iron (CGI) crankcase from Tupy, which is perfect for the higher cylinder pressure this engine likely sees over previous versions. Added hardness and fatigue strength, better ductility and improved tensile strength, and substantial weight savings are all benefits of casting a block from CGI (this block is 60 pounds lighter). We don’t know the exact stats on the Cummins’ crankcase, but we do know that CGI can be as much as 75-percent stronger than conventional gray iron. A new, stronger alloy crankshaft with a 10-bolt crank flange is secured inside the deep-skirt block via four-bolt main caps.See linked article to read about other changes.