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Hi, I am an expediter and live 10 months out of the year on the road. I have a 2004 Freightliner Columbia with a Mercedes MBE 4000 motor that has 96,000 miles/3,523 hours on a rebuild. I broke the motor in on Conventional oil for 50,000 miles at 10,000 mile oil change intervals. At 50,000 miles...