Clay I think, mentioned 20w50 the other day, I recognize that just because I
don't know a thing exists doesn't mean it exists. He mentioned both 15w50 and
20w50 in the same post so I assume he knows what he's talking about, maybe its
some mysterious west coast M1 I've never seen. ;)
-Curt
On Monday, March 18, 2019, 2:15:15 PM EDT, Allan Streib via Mercedes
<mercedes@okiebenz.com> wrote:
Oops yes M1 15w50 is what I meant. Sorry for the typo.
20w50 probably came to mind as I used to run Castrol 20w50 in my
air-cooled VWs years ago.
Allan
Curt Raymond <curtlud...@yahoo.com> writes:
> I don't think I've ever seen M1 20w50... I forget where you are but
> if the car starts okay at your temps then I'd suggest its fine. A 61x
> will never be able to go long OCI due to soot levels unless you filter
> for soot specifically which probably isn't worth it on a car not being
> driven big miles. The last 240D I had I used M1 15w50 in the summer
> and M1 5w40 in the winter. The 240D before that leaked oil really bad
> so it got the cheapest 15w40 I could find but got changed at 3,000
> miles or so...
>
> -Curt
>
> On Monday, March 18, 2019, 1:31:36 PM EDT, Allan Streib via Mercedes
> <mercedes@okiebenz.com> wrote:
>
> Wow an oil thread.
>
> What are people using in the older diesels, e.g. OM617?
>
> Years ago (Marshall Booth era) I used to use M1 20W50. I later got the
> impression that it wasn't so great for diesels anymore, and started
> using Delo and changing more often.
>
> I have M1 20W50 in the 300SD now, mainly because I had about 10 quarts
> sitting in the garage last time I did a change.
>
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