Quote:
Originally Posted by Craig
You want to use 5W40 M1 for you 617. That's what the Mobil web site recommends, and it has a CI-1 Plus rating. IMHO, 0W40 is to thin for the 61X diesels.
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Thanks. I thought it may be too thin. I would use the 5w40M1 all year if I could only find it.....