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Old 06-14-2015, 07:23 PM   #1
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Cetane Boost

What are members thoughts on using a Cetane Boost additive? Useful? Waste of money? Harmful?

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Old 06-14-2015, 07:33 PM   #2
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According to the web site for Fuel Magic, a cetane booster:

"There is no benefit to using a higher cetane number fuel than is specified by the engine's manufacturer."

Of course, I have no idea what MB specifies for cetane, nor do I have any idea how one would find the cetane number for a tank full of diesel. Oh well.

I'm in the "if it ain't broke, don't fix it" camp on this.


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Old 06-14-2015, 07:35 PM   #3
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Most cetane levels at station pumps is 30 points, Ford recommends 40 points in summer and 45 in winter to prevent soot build up. Ford recommends to use cetane booster in their powerstroke engines for that reason. To answer your question, unless you know if the fuel you using has low cetane level don't waste your money, but it won't hurt it if you do run some, just make sure you mix correctly. Hope this helps
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Old 06-14-2015, 07:35 PM   #4
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I have been using Howes for a year and a half now, IMO it does a better job of keeping the fuel from jelling in the winter than anything else and they claim it helps power and MPG's but then they all do.

Last year I was getting about 11.1-3 on the dash, this year it is right at 12MPG, did Howes help or is it because the 250 has a few more miles on it....

Anyway, I do not consider it a waste so I will keep using it.
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Old 06-14-2015, 07:37 PM   #5
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if anything, you want an additive that provides extra lubrication for the fuel system, since todays low sulfur fuels don't provide much.
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Old 06-15-2015, 08:45 AM   #6
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I have used cetane booster but did not notice any difference. I started using Archoil AR6200 Fuel Modification Complex and noticed the difference right away.

One ounce per 80 gallons so the bottle seems expensive but its not really. I use the Kleen Flow as a diluter so I can split the 1 once into my two tanks. I called Archoil and it is compatible with KleenFlow.

Archoil had a one ounce trial pack but you paid shipping. US only.

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Old 06-15-2015, 09:00 AM   #7
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I just read the Diesel supplement for 2000km new 2015 Power Stroke. They state in Canadian Arctic temps cetane boost might be a good idea below -20 C. That is pretty cold and last winter we reached it solid for month where I live. Nothing is mentioned for other seasons for any additives. I have extended warranty and service plan for my truck and going to ask the Service Manager at my dealer about additives for the fuel.
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Old 06-15-2015, 09:27 AM   #8
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Would Cetane have a benefit in the winter time for fuel mileage? When I was pulling my Wildcat southwest this winter I was getting 8-9 mpg on winter blend fuel. Then when I fueled up in New Mexico it was 10-11 mpg for the rest of the trip. Winter blend diesel could be 30% of #1 diesel and less btu's per gallon .
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Old 06-15-2015, 09:37 AM   #9
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wannastang........."Most cetane levels at station pumps is 30 points" this a typo ??....if not you are mistaken. pumps sell nothing under 40 [legislated] ... because of low sulfer a lubricant is added at time of refining...but it is always good to add cetane ... a better and earlier and complete burn. ford cetane boost is an excellent choice out of the many to choose from...some being better than others. try reading this ..
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Old 06-15-2015, 09:54 AM   #10
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When reviewing these jurisdictions, it was noted that Canada has the fewest mandatory
requirements for fuel quality and the least stringent monitoring and enforcement practices. In
addition, relatively little information was readily available on the actual fuel quality of Canadian
gasoline and diesel

As you can see from this quote by " The Pembina Institute " we only recommend levels in fuel so 30 points may be the level or may not. Bottom line is using a Cetane booster mixed in correct levels will not hurt a diesel engine, as the OP wanted to know

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