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Old 09-11-2001, 09:24 AM
loubapache loubapache is offline
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Join Date: Jul 2001
Location: Western Michigan
Posts: 1,080

Thanks. The Delvac 1 is actually Mobile's synthetic oil with 5W40. I guess they also have a universal Delvac at 15W40.

I just want to make sure. Mobile does say the Delvac 1 can be used in gas engines as it also carries the API SJ symbol along with the diesel specs.

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