Thread: 0W20 In Heavy Duty Diesels?
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Old 05-23-2013, 02:22 PM   #6 (permalink)
mikeyjd
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That's how I understand it.
Quote:
Originally Posted by RobertISaar View Post
you realize that when the oil is up to full temp the 0/5/10/15/20W rating is of no importance, right? that specification is for when the oil is cold, the second half of the rating is viscosity at 212*F.
Which is why I'm considering 0W30 in my 5.9L Diesel
Last edited by mikeyjd; 05-23-2013 at 10:54 PM..
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