normally im a cummins guy but i found a great deal on a 2010 chevy duramax with 190k on it but im not t sure what to look for extra on these trucks im a diesel engine mechanic and bulider but not very familiar with these engines mostly cmmins and powerstrokes and foreign diesels. i know what to look for normaly but are there any known problems with these or anything i should look at? id egr and dpf delete first of the back thanks