I would think he could go 150 or 200 hours with syn.
However. Oil degrades after 12 months of use.
If he puts less than 100 hours on it each year AND he plans to change oil annually it really does not matter which oil he puts in. Might has well go with cheaper dino. Rotella is great for diesels.
However. Oil degrades after 12 months of use.
If he puts less than 100 hours on it each year AND he plans to change oil annually it really does not matter which oil he puts in. Might has well go with cheaper dino. Rotella is great for diesels.