egr question

[newyorktruckah]

Hello Fellas

I have a question regarding a cm2250 450 horse on this motor would it be possible to 1 disable egr and 2 disable def injection while leaving the cans in place? I know the def injection works with SCR, would there be any repercussions to leaving the SCR can in place and just turning off the def injection?. This partial demandate should not affect the dpf from what I understand, is that correct? My work situation is very particular and I need to keep the cans in place and the stack clean. Truck has around 225k mostly local but heavily loaded miles. I run short OCI's due to the nature of my work and oil analysis so this is in no way me trying to get around proper maintenance, fuel pump already has updated plungers. I am just looking to make this motor as reliable as possible and keeping the internals clean. This is my first emissions truck that I was forced into by my piece of garbage local gov. otherwise 3406e has been my workhorse. While I am not new to wrenching on class 8 diesels I do appreciate this forum as it has helped my tremendously getting my feet wet with these new-to-me emissions systems.

Thank you.