I've been using this lately. https://www.lucasoil.com/product/15w-40-magnum-high-tbn-ci-4-oil/
Modern diesel oils are for modern engines, not old sooty OM617s. It's not great for cold starts, admittedly. But I don't like to drive my W116 in the winter anyway, trying to keep the rust from progressing any more than it already has. Allan On Thu, Jun 27, 2024, at 16:04, OK DonN via Mercedes wrote: > Back when I was an MB Diesel head, in all of our OM 61x and OM60x > engines I ran Mobil 1. Oil analysis at every change showed that we were > OK going 20,000 miles between changes. YMMV. > > > > > On Thursday, June 27th, 2024 at 2:28 PM, Curt Raymond via Mercedes > <mercedes@okiebenz.com> wrote: > >> >> >> If you live somewhere that it gets cold at all and you want the dang thing >> to start when its cold out Mobil 1 Turbo Diesel truck, 5w40 is the way to >> go. With conventional 15w40 I never could get a W123 to start much below >> about 10F. With TDT I got my '83 240D to start at -10F which was important >> to me at the time. >> >> A block heater removes that issue pretty much entirely as long as you can >> plug it in. >> >> IIRC the limiting factor for oil change interval (OCI) on a 617 is the soot >> loading which (again) IIRC limited you to something like 5,000 miles. You'd >> want real oil analysis to know for sure. >> >> The only conventional oil I stock anymore is 15w40 to put in my '52 Farmall >> Super M. It uses 2 gallons of the stuff and for the limited amount it runs >> every year conventional oil is just fine. Everything else from the >> lawnmowers to the pickup (diesel tractor, 2 diesel VWs, pressure washer, >> generator, etc) gets synthetic. The cars at 10,000 miles as spec'd by VW, >> the pickup is about the same based on the oil change indicator in the >> truck's computer. >> >> -Curt >> >> >> On Thursday, June 27, 2024 at 03:14:19 PM EDT, Troy Kocher via Mercedes >> mercedes@okiebenz.com wrote: >> >> >> >> >> >> >> I'm a lurker for many years. I've owned 5 W123's in the early 2000, and am >> really in the mood for one again. >> >> Back then we went back & forth on Mobil1 & conventional diesel oil. Could >> you guys offer the most current wisdom. >> >> I'm looking at a 1985 300d w/ 320kMi. >> >> Thanks >> Troy >> 77 240d >> 81 300d >> 83 300cd >> 06 E320 CDI >> 06 S500 >> _______________________________________ >> http://www.okiebenz.com >> >> To search list archives http://www.okiebenz.com/archive/ >> >> To Unsubscribe or change delivery options go to: >> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >> >> >> _______________________________________ >> http://www.okiebenz.com >> >> To search list archives http://www.okiebenz.com/archive/ >> >> To Unsubscribe or change delivery options go to: >> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > > _______________________________________ > http://www.okiebenz.com > > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
