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Wondering if any of you guys are running additives in your Eco's? I heard OptiLube is one of the best in the league, is there really a difference however? I mean realistically I just want something thats going to help keep my injectors clean.

Although I am also learning that US spec diesel is far drier than Euro spec. I don't quite understand so well, so maybe someone could chip in here?
 

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I've used optilube in the past, realistically, its a hassle and it's sticky stuff when it dries. I bought 1 gallon when I had about 5000 miles, and used it till it ran out. Turns out that with ULSD the refineries add some lubricant for the displaced sulfur. I have 150,000 miles on 08 and have not added any lubricants to my fuel. I did not note any change in either performance or mileage and this was before deleting.

Apparently, running biodiesel would be best, it not only does it have better lubricating qualities, it also cleans the fuel lines out. Surprisingly marvel mystery oil is one of the worst (but I still put a cap full in my gasoline lawn equipment and emergency generator).
 

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Always been meaning to look into this stuff, probably best to be well informed on it before even getting a new Ram Diesel, Do what even preventative things you can
 

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I remember that optilube had commissioned a test, of various oils, I believe in accordance with ASTM standards but I cannot seem to locate it.
 

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I remember that optilube had commissioned a test, of various oils, I believe in accordance with ASTM standards but I cannot seem to locate it.
Too long of a story to type the whole thing so I'll paraphrase,

Back in 05 LSD changed to ULSD. The extra refining to Make ULSD also took out same of the lubricant that diesel is noted for. The more solvent (cleaning effect) of ULSD caused all kinds of problems from cleaning out the pipelines to distribution centers tanks to filling stations tanks to vehicle tanks and even fuel lines from the tank to engine. It was a mess for a couple years.

The ULSD was also drier and raised heck with the older injection pumps, injectors, lift pumps etc. etc. The junk that cleaned out of all the formentioned items and the lower lubricity really damaged a lot of pumps and injectors.

Then about late 2006 the vehicle companies working along side the fuel industry put in place fuel standards. Before then there were really non to speak of. Since that time refineries have been adding back lubricity in the fuel. That and vehicle manufactures designing components to handle ULSD, the problems have disappeared.

Do we need diesel fuel additives? NO! not even to clean the injectors, marketing hype.

The only time you would need diesel fuel additives is and anti-gel for temperatures below +32F. or if you are going to store your diesel vehicle in a high humidity area where temperatures fluctuate allowing condensation to build up in your fuel tank. Then a Emulsifier type additive such as Howes is recommended and possibly a algae killer type additive. The best thing though if your going to store your vehicle for many many months would be to fill the fuel tank full thus eliminating too much expansion and contration of air withing the fuel tank. Air hold moisture.
 
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Hi. Thanks for the info on this. I'm new to the whole diesel thing. I would like to know if there is a difference in diesel fuel from different oil companies such as Shell, Mobil, Costco, etc. Or is there no difference and can I just buy my diesel at any gas station.
 

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It all comes from the same bucket.
Then each company adds there own additives.

North American diesel fuel could not be sold in Europe,thats how good it is.

I run Optilube because It quiets down my motor,improves my mileage,and is easier to start when cold.
To each there own.
 
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