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  1. J

    Frequent 6-Speed Auto Trans Shifting - 2008 RAM 3500 Cummins

    I have a 2008 Ram 3500 Mega Cab Cummind diesel with a 6-speed AT. It shifts too frequently pulling hills 40 mph...3rd, 4th, 3rd, 4th and so on. Sometimes it shifts fine. Anyone have any ideas?
  2. J

    Synthetic Oil

    You should easily go 7,500 miles on synthetic oil.
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