Looking at a 200k mi lb7 runs great haven't check the Ballance rates yet but owner tells me the injectors were replaced around 20k ago. The po trying to get ahold of the receipts. It's a fully loaded 03 GMC very clean truck I can get for 9500 just wanted to see what you guys thought. Thanks in advance for the help. I have been. Cummins guy just ready to try out a duramax.