QUOTE(gedebe @ Aug 16 2022, 12:09 AM)
I am using Bardahl FS engine oil 5w/40 and along the way, the engine oil star decreasing, almost more than half of the dip stick mark.
Foreman say that the oil might not be suitable and I have to use 10w/40 instead. Any comment?
my current situation: 16 years old with 250k+ km and 13 years old with 440k+ km. both on 5w30 full syn, both engine is never done any overhaul before, both engine rev to before rev cut says few times in a week at least, oil consumption based on top up around on 5k km is between 0.5~1L.Foreman say that the oil might not be suitable and I have to use 10w/40 instead. Any comment?
my suggestions: check engine inside out and/or change foreman.
Aug 29 2022, 12:49 AM

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