I remember the cautions on 10w-40 also. Said that the additives required to get that kind of a viscosity span were excessive and that there wasn't enough oil left for proper lubrication.
Course that was then and we are here now. If I can run 5W-40 Rot. T full sin in my Cummins diesel with the blessings of Cummins (I asked them) then things must have changed.
So I don't know what to say. What's the oil worth to you and what's the engine worth? Worth the gamble? Your money, your equipment.
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Today's Featured Article - Bad Vibes - by Curtis Von Fange. One of the strangest ways to communicate with our tractor is to ask it how it feels. "Ask it how it feels," you say? Yup, ask it how it feels. Now, as with the other articles in this series one has to be able to hear what 'ole blue' is trying to say in response. The nice thing about our old iron friends is that they are usually quite consistent in their response, rather unlike some people I know who might change what they say due to the weather or other mitigating circumstances. But since t
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