View Poll Results: If you use this, have you noticed your fuel economy to be better or worse?
Voters: 24. You may not vote on this poll
Motorcraft Cetane Booster and Performance Improver
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Junior User
Joined: Jan 2011
Posts: 67
Likes: 0
From: Florida
Motorcraft Cetane Booster and Performance Improver
I was using it at every fill up, but I only get around 13 in town. I have a lot of stop and go traffic, but still it sucks. I thought about not using it just to see if it improves. So, here's my question; for those of you who use this, do you see any difference in fuel economy?
Motorcraft® Cetane Booster and Performance Improver
Motorcraft® Cetane Booster and Performance Improver
- Helps improve Ford diesel engine performance
- Note: This ultra-low sulfur formulation can be used in engines required to meet 2007 emissions requirements (e.g., Ford’s 6.4L diesel engine) and is backward compatible as well (i.e., can be used in Ford’s 6.9L, 7.3L and 6.0L diesel engines)
- Ultra Low Sulfur Diesel (ULSD) compliant
- Combats the effects of poor-quality diesel fuel
- Boosts the cetane rating (fuel ignitability) of diesel fuel for improved starting performance
- Increases power
- Helps smooth engine operation
- Improves fuel economy
- Adds lubricity to fuel to reduce engine wear
- Recommended by Ford Motor Company
- Available in four (4), six (6) or twelve (12) 20-fluid-oz. bottles
Posting Guru
Joined: Aug 2004
Posts: 2,402
Likes: 0
From: Upstate, NY
I don't use it, but my take is this...for the $8 or so it costs per bottle it would be impossible for it to ROI and as Ford doesn't say you have to use it to keep the truck under warranty I'd pass. There are way too many people driving diesels successfully who don't even know about this stuff to merit it being used at any cost, IMO.
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Junior User
Joined: Jan 2011
Posts: 67
Likes: 0
From: Florida
True. I guess I like the lubricant aspect of it as well. It makes me feel like I'm doing something extra to help the longevity of the engine....I guess. I don't know. That's why I'm on the fence about the stuff.
Posting Guru
Joined: Aug 2004
Posts: 2,402
Likes: 0
From: Upstate, NY
I understand and can relate, but...I have to think that they are marketing to us by using those emotions which makes me skeptical.
Lead Driver
Joined: Jan 2010
Posts: 6,600
Likes: 84
I use it because I've read it helps with the fuel system components.
I've lost 1 MPG this summer from last summer but I can't prove it is because of this stuff.
Both fuel filters, both air filters and a different fuel station has not helped.
I also had algae in my DFCM fuel filter so it didn't prevent that but drained the DFCM monthly without water.
If I didn't use it, I don't know if the algae problem would have been worse or the same.
At this point, I use it "just because" others say it is helpful for our expensive fuel system and for no other reason.
Edit: I should report I changed fuel stations after the fuel filters change close to 1,000 miles ago.
Air filters about 1,300+ miles ago.
I've lost 1 MPG this summer from last summer but I can't prove it is because of this stuff.
Both fuel filters, both air filters and a different fuel station has not helped.
I also had algae in my DFCM fuel filter so it didn't prevent that but drained the DFCM monthly without water.
If I didn't use it, I don't know if the algae problem would have been worse or the same.
At this point, I use it "just because" others say it is helpful for our expensive fuel system and for no other reason.
Edit: I should report I changed fuel stations after the fuel filters change close to 1,000 miles ago.
Air filters about 1,300+ miles ago.
Last edited by kper05; Jun 2, 2011 at 09:53 AM. Reason: Added edit...
Posting Guru
Joined: Oct 2010
Posts: 1,777
Likes: 0
I have seen no change in fuel economy (you might want to add that to your voting box). I think if there is any benefit, it is to help with lubrication -- and the benefits won't be apparent to me because I won't be tearing down 2 engines (1 using, the other not) and putting a micrometer on all the parts 
I also think the anti gelling is important and use one with this agent.
I also think the anti gelling is important and use one with this agent.
Posting Guru
Joined: Oct 2010
Posts: 1,777
Likes: 0
I use it because I've read it helps with the fuel system components.
I've lost 1 MPG this summer from last summer but I can't prove it is because of this stuff.
Both fuel filters, both air filters and a different fuel station has not helped.
I also had algae in my DFCM fuel filter so it didn't prevent that but drained the DFCM monthly without water.
If I didn't use it, I don't know if the algae problem would have been worse or the same.
At this point, I use it "just because" others say it is helpful for our expensive fuel system and for no other reason.
Edit: I should report I changed fuel stations after the fuel filters change close to 1,000 miles ago.
Air filters about 1,300+ miles ago.
I've lost 1 MPG this summer from last summer but I can't prove it is because of this stuff.
Both fuel filters, both air filters and a different fuel station has not helped.
I also had algae in my DFCM fuel filter so it didn't prevent that but drained the DFCM monthly without water.
If I didn't use it, I don't know if the algae problem would have been worse or the same.
At this point, I use it "just because" others say it is helpful for our expensive fuel system and for no other reason.
Edit: I should report I changed fuel stations after the fuel filters change close to 1,000 miles ago.
Air filters about 1,300+ miles ago.
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Posting Guru
Joined: Aug 2004
Posts: 2,402
Likes: 0
From: Upstate, NY
I have seen no change in fuel economy (you might want to add that to your voting box). I think if there is any benefit, it is to help with lubrication -- and the benefits won't be apparent to me because I won't be tearing down 2 engines (1 using, the other not) and putting a micrometer on all the parts
I also think the anti gelling is important and use one with this agent.
I also think the anti gelling is important and use one with this agent.
The anti-gelling thing has me wondering also. I have 2 friends with diesel trucks that are daily drivers. These guys are NOT mechanical and have never added anything to the tanks other than what comes out of the pump. They don't plug the engines in during the winter and have never had any issues with trucks not starting or running right in the cold.
Not scientific, but certainly interesting.
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Posting Guru
Joined: Oct 2010
Posts: 1,777
Likes: 0
Add in a heavy foot, it is easy to be in the 12 - 13 range...
The way I look at it is that 15 MPG is better than all of the trucks I have owned...
Posting Guru
Joined: Oct 2010
Posts: 1,777
Likes: 0
I guess if you're planning to keep the truck forever and you could get some proof it adds to the longevity then ya..it may be worth spending the money.
The anti-gelling thing has me wondering also. I have 2 friends with diesel trucks that are daily drivers. These guys are NOT mechanical and have never added anything to the tanks other than what comes out of the pump. They don't plug the engines in during the winter and have never had any issues with trucks not starting or running right in the cold.
Not scientific, but certainly interesting.
The anti-gelling thing has me wondering also. I have 2 friends with diesel trucks that are daily drivers. These guys are NOT mechanical and have never added anything to the tanks other than what comes out of the pump. They don't plug the engines in during the winter and have never had any issues with trucks not starting or running right in the cold.
Not scientific, but certainly interesting.
Lead Driver
Joined: Jan 2010
Posts: 6,600
Likes: 84
I know several other diesel owners who don't add anything.
Powerstroke, Cummins and Duramax.
Pump from the station and go.
On a side note, does anyone see any issue with adding the 4 oz of this stuff with the engine running at idle?
The times I have done this (3-4 maybe) I am ready with the fuel nozzle and pump at full speed to mix as quickly as possible.
It could be 5-10 seconds between the two though.
Powerstroke, Cummins and Duramax.
Pump from the station and go.
On a side note, does anyone see any issue with adding the 4 oz of this stuff with the engine running at idle?
The times I have done this (3-4 maybe) I am ready with the fuel nozzle and pump at full speed to mix as quickly as possible.
It could be 5-10 seconds between the two though.
Postmaster
Joined: Oct 2010
Posts: 4,656
Likes: 4
From: Northern and Southern Cal
Hi Guys
A 6.4 guy chiming in here.
It also depends on the quality of fuel you buy.
If you buy from Slippery Louies gas and Cathouse you may want to use it. Especially because of water in the fuel.
If you buy from a Chevron or 76 or other reputable joint maybe not necessary unless you like warm and fuzzy (I admit I do. Just paranoid I guess)
Cheers
A 6.4 guy chiming in here.
It also depends on the quality of fuel you buy.
If you buy from Slippery Louies gas and Cathouse you may want to use it. Especially because of water in the fuel.
If you buy from a Chevron or 76 or other reputable joint maybe not necessary unless you like warm and fuzzy (I admit I do. Just paranoid I guess)
Cheers
Lead Driver
Joined: Feb 2005
Posts: 7,949
Likes: 2,656
From: The Great State of Texas
A 6.0 psd chiming in also. I've tried just about every brand of fuel additive and the Motorcraft brand was the only one that I saw a honest improvement in fuel economy.
This is the only brand I can really recommend based on my experience in the 6.0psd.
This is the only brand I can really recommend based on my experience in the 6.0psd.