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Thanks, Was definetly going to at least a 0/30. I have only recently been educated on the 0/ oils.

I have a 1995 7.4 3500 GM pick up. I am running Mobil 1 5w30 now. I tow a 8500# toy hauler about 1000 to 2000 miles a year. The rest of the time, it's short trips to work. I recently rebuilt with a high volume oil pump & tow cam. At start up it has over 80 psi oil pressure. It never runs less...