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I believe the Ultra Low Sulfer Diesel we get needs some extra lubricants for the older diesels we are running.

The sulfer they took out was the lube for older systems.


I was talking to Mitsulvr (Don't know if I spelled that right) the other day. He was saying it's actually the opposite. The JDM trucks ran poorly on our high sulphur diesel. Japan and Europe have had the low-sulphur stuff for years before we did, which was a large reason why we didn't get all the cool little diesels they do. Made sense to me.



What I have "heard" is the Japanese use a better quality diesel than we use in North America, higher cetane? Hence the poor running in N.A.

In studying the diesels (fuels) I came to the conclusion the older fuel systems had different seals than used in the ULSD systems & that older systems should be supplemented with something to replace the lubricity of the removed sulfer.

BTW I am using the spelling of sulfer straight off the jug of additive. LOL. I think it is correctly spelled sulfur. <img src="/forums/images/graemlins/smile.gif" alt="" />

1991 Pajero 2.5 TDi BoUnCy seats 33s OBA & Syn bow to stern.
Pajero in spanish ='Wanker'