For whatever it is worth, this is the reason why I choose Opti Lube. YMMV https://www.dieselplace.com/forum/76-speciality-forums/64-maintenance-fluids/177728-lubricity-additive-study-results.html#/topics/177728
Josh Muckley S/V Sea Hawk 1989 C&C 37+ Solomons, MD On Mon, Aug 20, 2018, 10:29 PM Rick Brass via CnC-List < cnc-list@cnc-list.com> wrote: > When I retired from doing technical training in the forklift industry (and > being a certified Cummins and Yanmar tech), Yanmar, Cummins, Perkins, and > Mitsubishi were all recommending the Stanadyne Lubricity additive for > engines built prior to the Tier III(? Or maybe IV) diesels (about 2008-2010 > manufacture). Beginning about then the engines were designed to operate on > ultra-low sulphur (ULS) fuel having 15 PPM of sulphur. > > > > From the late 80s-early 90s, diesel was low sulphur at 500PPM. Before the > late 80s, diesel fuel had up to 5000 PPM of sulphur. The sulphur acted as a > lubricant for valve guides, valve seals, and the tight tolerances in the > fuel injection system. > > > > ULS fuel is supposed to have other stuff in it to make up for the lack of > sulphur. But all the manufacturers we used recommended the Stanadyne > product. That’s what I use in my 2010 engine. > > > > Rick Brass > > Washington, NC > > > > > > > > *From:* CnC-List [mailto:cnc-list-boun...@cnc-list.com] *On Behalf Of *Ronald > B. Frerker via CnC-List > *Sent:* Monday, August 20, 2018 6:32 PM > *To:* cnc-list@cnc-list.com > *Cc:* Ronald B. Frerker <rbfrer...@yahoo.com> > *Subject:* Stus-List Diesel additive one last time > > > > From past emails I reviewed, I noted that Stanadyne and Biofor JR are the > additives of majority choice. > > One question, which Stanadyne formula are folks using, the Lubricity or > Performance formula? And does one formula cover both performance and > lubricity? > > Ron > > Wild Cheri > > C&C 30-1 > > STL > > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > >
_______________________________________________ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal to send contribution -- https://www.paypal.me/stumurray
