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    2011 Duramax Shell Rotella T 15W/40

    That's what I kept telling them from the get go at the 3K mark. Monday I asked for a Exhaust Gas coolant check to be done as well as a Cylinder leak down test. If the heads come off the truck is getting studded right then and there. Don't want to do it a second time.
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    2011 Duramax Shell Rotella T 15W/40

    I have been watching how this truck has progressed from the day I bought it and Every 3K I have had the oil sampled. Only mechanical failure I have had was a radiator the blew out on me coming home from a trip out west. That failure has begun to leave me to believe I have a bigger issue going...
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