You guys all like to work way too hard. I use amsoil full synthetic. SAE 15W-40 Heavy-Duty Diesel and Marine Motor Oil -Product Code: AMEQT-EA.
I run it for 15,000 miles(or 1 year which ever is sooner) and change the filter every 5 thousand. Cuts down on labor, increases fuel mileage and cuts down on foreign oil dependence.
Think that is crazy, I ran my 2002 GMC 2500HD duramax for 100K without changing the oil. Just changed filters once per year. Sent in oil analysis every 6 months. Reports said OK to continue using it. Checked out fine untill 100K. Then finally had to change the oil.
I will never send a dime to middle east for oil again. Fuel but never oil. PS, I run 100% biodiesel so I do not send them any for that either.
Dr. Nick - self proclaimed motor head and Amsoil dealer.
1984 300D, 2002 Duramax diesel
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> --- In diesel_mercedes@yahoogroups.com, Trish Dougherty <purrfectharmonyfarm@> wrote:
> >
> > So what oil does everyone recommend?
>
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