Whats the consensus on the best cetane booster for the 6.7? My Ford dealer is adamant that I need to run a booster and sold me some Motorcraft stuff. Is there a better option?

Diesel Kleen® +Cetane Boost® in the summer and Diesel Fuel Supplement® +Cetane Boost® in the winter?

 

I love the Amsoil Cetane Booster (at least I did in my Cummins). Their products are amazing.

 

I use Howes. They have a good lubricator with anti-gel for the winter and their meaner cleaner for the summer.

 

We use Howes in all of our diesels - 2 - 6.0's, one 7.3 and a JCB Zoom Boom. Now if Ford would build my 6.7 I can try it in there too.

 

I ran Diesel Kleen and Fuel Supplement in my 6.4L and seemed like my regen ran twice as often.

 

I like diesel clean in my 6.0 but technically they can't require you to use anything to keep your warranty in place unless they supply it. The truck is supposed to run on the supplied fuel in the area sold unless there is a defect in the fuel.

 

[quote=69cj;9436130]I like diesel clean in my 6.0 but technically they can't require you to use anything to keep your warranty in place unless they supply it. The truck is supposed to run on the supplied fuel in the area sold "UNLESS THEIR IS A DEFECT IN THE FUEL".

The diesel in Texas is really crappy. I'm thinking about an additive. I always used Diesel Kleen in previous diesel's, but using anything in the 6.7 has me concerned. Does anyone add something in the fuel to their new truck?

 

I see that Diesel Kleen is more expensive than the Motorcraft.

Motorcraft Diesel Cetane Booster and Performance Improver = $7.29 per 125 gallons or 5.8 cents/gallon (20 oz bottle/ 4 oz per 25 gallons)

Diesel Fuel Supplement® +Cetane Boost = $6.82 per 100 gallons or 6.8 cents/gallon (32 oz bottle / 8 oz per 25 gallons)

Motorcraft Diesel Anti Gel and Performance Improver = $7.29 per 125 gallons or 5.8 cents/gallon (20 oz bottle/ 4 oz per 25 gallons)

Diesel Kleen® +Cetane Boost = $7.75 per 100 gallons or 7.8 cents/gallon (32 oz bottle / 8 oz per 25 gallons)

 

Yes, only adding 4oz. per tank is more convenient as well. I like the Motorcraft stuff. I've been using the Diesel Kleen lately and have not really seen a good boost in MPG or having less frequent regens. Going back to Motorcraft thru winter.

 

I used Diesel Kleen religiously in my 6.4L from the first tank. My MPGs were always above the average seen here and my regens were between 3-400 miles apart, which made it worth it to me.

I made the mistake of buying the Motorcraft stuff once, and the truck was wrecked a month later. That stuff is bad luck!

 

Is anyone using an additive in the 6.7? What does Ford say about this?

 

I had a 7.3 198,000 miles and a 6.o with 80,000 miles and NEVER used anything but straight diesel. I live in Texas. I won't add anything to my new 6.7.

Shane

 

The diesel in north and east texas is actually regulated to 47 cetane or better. I've noticed better fuel economy when I fill up close to home (north texas) versus filling up elsewhere. I'm still considering additives, though

 

Well, my opinion is this, nobody really needs to use additive. The truck will run without it.

But, I will ask this as we discuss things for the OP.

Which of the following 3 situations would merit a need for additive:

1. Truck is daily driver, typically 25 miles/day, 2 cold starts/day, takes 12-14 days to burn a tank of fuel.

2. Truck is a second/third vehicle, only driven once or twice/week hauling the boat or camper for weekend overnight trips.

3. Truck typically tows work trailer, runs about 1000 miles/week.

Just curious of what the type of driving would benefit from additive (aside for the folks living in the arctic circle)

 

I'm not sure I follow the idea that driving style greatly affects the need for a fuel additive. I suppose it does affect it somewhat, but there are far more important factors in play. Fuel quality has to be the biggest factor. Fuel additives are designed to compensate for the shortcomings of fuel. The quality of your base fuel will raise or lower your need for additives, or possibly change the type of additive you need to use. The bad part is that we can't really analyze each tank of fuel before we run on it... so we have to guess.

I've been looking at this issue for awhile, and I've come to a few conclusions. One is that any time I can get fuel with a known cetane rating, I do. That way I can additize as necessary. Another conclusion is that fuel quality is a crapshoot. Week to week, station to station, county to county, you can't rely on the fuel quality being very consistent. The filters inside the holding tanks will affect the fuel somewhat, how it was transported, where it came from, etc. etc. etc. The good news is that diesel engines can be very forgiving in this regard. They *will run* on just about any modern diesel fuel. How well they run is variable, and somewhat controllable.

I've decided to use an additive that provides lubricity as its main function. Where I live, diesel fuel is *supposed* to have cetane of 47 or higher, which is right in our engines' wheelhouse. Amsoil has been my brand of choice for fluids in my gas engines for years. I'm giving them first shot at my diesel. For the times I travel outside the are that I know is regulated to 47 cetane, I plan on switching to a cetane booster. Most likely, motorcraft... but we'll see.

I think it boils down to this: If you have consistently good base fuel, you likely don't *need* to run an additive for daily driving. At that point it's mainly for peace of mind and a bit for just good practice. If you live in an area that doesn't have the best base fuel, an additive becomes *necessary* for daily use. Personally, I will use one in nearly every tank, depending on where I get my fuel.