my buddy just got in an accident with his 2009 f350 powerstroke and he's infatuated with my 6.7l 2021 cummins. For a little context his Ford steering went out and the brakes went out and the rear leaf springs left the chat all at the same time causing him to crash into the wall. he's looking for pointers and advice when purchasing a cummins he needs the power because he lives full time in a 5th wheel. he has two kids and is concerned for his family. So moving forward what should he look at safety wise.