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Old Mar 24, 2007 | 11:11 AM
  #1  
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cetane boost

Would someone comment or explain Cetane Boost? Diesel Kleen talks about cetane boost on their bottle...3 to 6 ##. I don't know what they mean...is 3 better than 6, what do I really need? Is this like octane in gasoline? There is a lot I don't know about these diesels so this may be a dumb question. Thanks.
 
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Old Mar 24, 2007 | 12:09 PM
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The following link has a pretty good description of cetane and how the boost works.

http://www.superfuelsaver.com/Cetane%20Booster.html
 
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Old Mar 24, 2007 | 12:18 PM
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I am not sure but Cetain #'s relate to the combustibility so the higher the Cetain the better for diesels especially during cold weather. Older Diesels like the 7.3L and 6.0L Can run on ULSD but Diesel kleen helps with lubricity since there is less sulfer in the new Diesel fuel(ULSD). I know when I started useing DK my truck ran smoother and gained some milage but not much maybe went up 1 mpg at the most, it started faster on cold mornings. I would recomend it if you have a diesel.

As far as needing Dk....I dont think you "need" it but its good insurance especially with the new ULSD.
 
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Old Mar 24, 2007 | 03:36 PM
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Cetane is for diesel as Octane is for gasoline. Octane is the measurement of how hard the fuel is to combust. Which, in a gasoline engine prevents detonation. Since you cant have detonation on a direct-injected engine.... Cetane is the opposite, a higher number means the fuel ignites more easily than a lower number. This means better cold start-ability and improved performance. Most pumps have 40-45 cetane, i run double dosage of dieselkleen. Biodiesel (100) is about 50-55 cetane i believe, and requires NO additive. It is basically additive in itself.
 
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Old Mar 25, 2007 | 02:01 PM
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Thanks for the reply. If I were to use the Diesel Kleen in the silver bottle, what would you recommend...ounces per gallon. I figure if I have put in fifty gallons it should take about 16 ounces. Does that sound about right? I know this is not the double dose bit just the average amount. Thanks
 
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Old Mar 25, 2007 | 02:12 PM
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I believe it is 0.64 oz/gal for an exact measurement.

i just dump in 20oz when I fill up which is usually 30-34 gallons.
 
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Old Mar 25, 2007 | 02:28 PM
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amiller93 -- think you are using the max mix . they say 300 miles --96oz. Did you go with 150 miles -- 96 oz. ??
I got 0.32 oz/ gal -- === 300 miles.

Should i add more ?? thanks.
 
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Old Mar 25, 2007 | 02:39 PM
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.32 will get a 3 cetane number boost the .64 gives the full 6 number boost.
 
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Old Mar 25, 2007 | 03:50 PM
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what i have figured out with the bottle i bought is that for one tank full on our trucks that we should put in 8 oz., not sure if this is right but thats what i am gonna roughly put in a tank.
 
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Old Mar 25, 2007 | 04:48 PM
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I buy the 96 oz jugs and split it evenly as i can between four tanks of fuel. 150ish gallons, its the double doseage.
 
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Old Mar 25, 2007 | 07:15 PM
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I have a 50 gal. add on tank + the truck tank. Good for the long pull ; I get the 96 oz jug . Guess I need to add more to get the cetane up ..
 
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