I know a lot of you are thin oil advocates but I just can't make myself use "water" in my engines no matter what the duty... (0W20 or even 5W20)
If thin oils are so good then why do almost ALL diesel manufacturers still recommend the 15W40 in these engines? Diesels work hard and this thicker Vis oil provides the protection necessary for long engine life, right?
I know diesels and gasoline, apples to oranges but in the crankcase where the oil is, all is the same! Crank, rods and pistons don't care what fuel they burn up top!!
Your thoughts?
If thin oils are so good then why do almost ALL diesel manufacturers still recommend the 15W40 in these engines? Diesels work hard and this thicker Vis oil provides the protection necessary for long engine life, right?
I know diesels and gasoline, apples to oranges but in the crankcase where the oil is, all is the same! Crank, rods and pistons don't care what fuel they burn up top!!
Your thoughts?
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