ULSD Question
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Senior User
Joined: Jun 2009
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From: Maryland
ULSD Question
Maybe you guys can help me out? I know everyone now buys the new ULSD. Should I be using any additive such as Diesel Kleen each fill up? I have used Ford's diesel additive in the past.
Postmaster
Joined: Jul 2006
Posts: 3,754
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From: Indianapolis
Alot of us do add DK grey (in the summer, gray in the winter) and while it may not help a whole lot, it doesn't hurt. To address the lack of LSD lubricity, some add an ounce of 2 stroke oil per gallon of diesel (that has mixed feelings) however the best thing you could add is some biodeisel. That'll keep ya well lubed up and squeaky clean!
Postmaster
Joined: Mar 2008
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From: Paramount, Ca
Yes everything is ULSD add something to it. I've been adding some 2 stroke oil to mine recently even some regular engine oil I had in old boxes. A little makes a big difference. My friend even noticed when I gave him fuel from some jugs I have.
Post Fiend
Joined: Feb 2007
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From: Dallas-Ft. Worth
I quit messing with Bio for the most part and just went with DK (gray bottle) in the summer (adds lubricity, cleans, and adds cetane), and PS (white bottle) in the winter. Same as gray, but less cetane and adds anti-gel...
For the record, I think 2-cycle is okay for lubricity since it's meant to be burned during combustion, but it does nothing for keeping the system clean and doesn't add any cetane either.
For the record, I think 2-cycle is okay for lubricity since it's meant to be burned during combustion, but it does nothing for keeping the system clean and doesn't add any cetane either.
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Freshman User
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Freshman User
Joined: May 2009
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From: Linn Valley Lakes, KS
In a gasolene engine I would add a few ounces (2 or 3) every 3rd or 4th fill and that would keep the injectors clean... what about a diesel 7.3l?
PREMIUM SPONSOR
Joined: Feb 2009
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Another bump for adding a B20 as a additive. Even using it in low ratios like 70% #2 and 30% B20 really quites the engine and is cheaper than using additives. I can't believe how much quiter everything is when I run a straight B20 tank, especially with my single shots, huge difference.
Freshman User
Joined: May 2009
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From: Linn Valley Lakes, KS
Another bump for adding a B20 as a additive. Even using it in low ratios like 70% #2 and 30% B20 really quites the engine and is cheaper than using additives. I can't believe how much quiter everything is when I run a straight B20 tank, especially with my single shots, huge difference.
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Fleet Mechanic
Joined: Nov 2008
Posts: 1,573
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From: Seattle
As always, I advocate the use of biodiesel. Even in the smaller quantities from B5-B20, you're more than gaining the lubricity advantages lost when ULSD was mandated.
Keeps your injection system well lubed and clean.
Keeps your injection system well lubed and clean.
Fleet Mechanic
Joined: Nov 2008
Posts: 1,573
Likes: 4
From: Seattle
By the way, B20 stands for 20% biodiesel blended with #2. B5 is 5% biodiesel blend, and so on.