Which oil you use depends a grate deal on how long it stays in the engine, cheap turbo diesel oil will be absolutely fine if you change it about every 3 months even if you see 30K miles a year. If you only do 6k miles a year and don’t want to change the oil more than once a year, buy a GOOD fully synthetic DIESEL oil. I’ve worked on engines from Keith Black Hemi’s that were rebuilt every weekend to Cummins diesels that were overhauled every 1.5 million miles and the thing that kills them all is leaving the oil in too long. If you have a fleet of big diesels you pay to have the oil analysed and change it when told to, the rest of us are better off changing it regularly regardless of mileage.
I prefer Feu Orange
I prefer Feu Orange
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