BAC Forum

General Boards => Technical Support => Topic started by: Don Hircock on July 25, 2012, 05:17:34 AM

Title: 2005 C9 Engine oil
Post by: Don Hircock on July 25, 2012, 05:17:34 AM

I like to use Delo 15W40 oil in my Cat.  I was looking for some in at Costo and found it but it had an LE on it which I didn't recall in the past.  Checking the book and the Delo website I see that the LE is an API CJ-4 EC3 rating for 2007 and above.  I doubt that it was manufactured when my C9 was made in 2004 even though it is called a 2005.  Question being, would it hurt to use that oil even though the specs calls for a CI-4 EC1 oil?  I would think that the newer oil would be backward compatible but didn't see that stated anywhere.  Thanks.

Title: Re: 2005 C9 Engine oil
Post by: Don Hircock on July 25, 2012, 07:18:52 AM

No reply necessary.  Found my answer when looking up about the api oil ratings.  Newer and better version the cj4 and better than the ci4.