Fuel Additives
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Senior User
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Fuel Additives
I just ordered a 2011 F550 6.7L Chassis Cab. In all of my diesels I use a fuel conditioner. Is there anything that I should or should not use once my new truck comes in? It will be worked hard like a diesel should and I want to keep it running right. I use a Howes Lubricants fuel conditioner and buy it by the case as we have 4 diesels as of now which all get it each fill up.
thanks
thanks
Junior User
Joined: Jun 2010
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I was wondering the same thing. My old 6.0 used to get diesel kleen in the grey container about every third tank and worked great but I heard this is not nessecary on the new motors designed for the ULSD. That was almost nessecary on the older ones to count for the lack of lubracity they were used to. Any risks? Benifits?
Cargo Master
Joined: Dec 2007
Posts: 2,196
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From: Carstairs Alberta
you 6.7 are no fun at all. these trucks have been on the road now for 4 months and no one has been able to find any real production wide problem. its making a pretty boring forum. but if you want to run additives just to see if you can be the first to mess with something that's working real good..........? you're right your "old" 6.0 buuuuuuut this isn't your "old" 6.0 so why try to treat it like it is, unless maybe your old 6.0 tech is getting lonely and not getting enough time. I'm mostly joking but why mess something that is incredibly complex and seems to more trouble free than any diesel from any of the big 3 in quite a few years
Junior User
Joined: Jun 2010
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you 6.7 are no fun at all. these trucks have been on the road now for 4 months and no one has been able to find any real production wide problem. its making a pretty boring forum. but if you want to run additives just to see if you can be the first to mess with something that's working real good..........? you're right your "old" 6.0 buuuuuuut this isn't your "old" 6.0 so why try to treat it like it is, unless maybe your old 6.0 tech is getting lonely and not getting enough time. I'm mostly joking but why mess something that is incredibly complex and seems to more trouble free than any diesel from any of the big 3 in quite a few years
Can't even run the truck, damn'd things sitting on a ramp close to the dealer.... come on dealer, I WANT TO PAY YOU
Senior User
Joined: Jun 2010
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11PSD in the manual it talks about additives such as cetane boost. Ford sells there own and if you buy some thing else it says to make sure no alcohol in product. I just read a can of my diesel kleen and found no alcohol in it.
Cargo Master
Joined: Dec 2007
Posts: 2,196
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From: Carstairs Alberta
truth is I'm a little jealous over how good they seem to be running. and my 05 has been really good to me. I mean i could always use more power and or better mileage but it runs ok. course when I'm paid off in 1 more year and you have 4 to go you will prob be a bit jealous of me too.
Junior User
Joined: Jun 2010
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truth is I'm a little jealous over how good they seem to be running. and my 05 has been really good to me. I mean i could always use more power and or better mileage but it runs ok. course when I'm paid off in 1 more year and you have 4 to go you will prob be a bit jealous of me too.
I know how you feel though, I left a very reliable 2003 for this truck, hope this compares or exceeds that. BTW, I like to think of this as a credit boosting experence. Being a responsible cash buyer on my last two vehicles has only hurt me. My LACK of credit has left me 'very good' for credit while my over rung (but always paying) wife and her horoundous bills at target, maureices ect has excellent credit..... WTF?
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Posting Guru
Joined: Mar 2003
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i'm anxious to get an all ford built truck. i have an old 03 6.0 with 178,000 miles . the darn thing does nothing wrong. gtets 17 .90 on the road and 16 pulling.it still has the original batteries and the only i've replaced the icp and the alternator,plus the ball joints. had a new 01 duramax and 2002 dodge cummins.
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Elder User
Joined: Jul 2010
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From: Pacific NW
I am wondering, have any of you opened up your fuel filters after 7000 miles of driving? The ULSD diesel has done a number on our transit fleet utilizing Common Rail Cummins ISL's. We've had a residue issue that we've finally been able to combat with fuel conditioner. But some of the supervisors noted the issue in their personal rigs (some of em' 6.0 fords).
Elder User
Joined: Jul 2010
Posts: 501
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From: Pacific NW
The main contamination we've ran into is Asphaltene (Black tar-like/sooty contamination in fuel filter), this is utilizing a B5 Biodiesel blend (mandated in our state). But then we found out that Cummins started recommending additives when ULSD became the only fuel available. My understanding is the lack of aromatics and sulfur is what makes the fuel more prone to oxidation, especially with high pressure common-rail motors. But then as a transit agency, we buy our fuel as cheap as possible, and have to actually ask to have certain additives/dispersants and what not added. I'm not exactly sure if this issue would be prevalent so much in the public market (though again, some of our supervisors observed issues with their personal rigs), I'd assume that Shell/BP/Exxon/etc would include some sort of fuel conditioner in their fuel right at the pump.
Last edited by Jus2shy; Jul 30, 2010 at 12:08 AM. Reason: added/elaborated
Cargo Master
Joined: Dec 2007
Posts: 2,196
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From: Carstairs Alberta
we have 4 IH semi's with isx engines. if we leave them idle for extended time periods, i.e. 4-6 nights with no road driving the fuel gets so stale from being hot so long it just stinks like old varnish. now if they get enough miles during the day to fill every other day then its not too bad. what i have seen on some series 60's is that if the copper injector seals leak soot into the fuel rail the filters will get black. any possibility of anything like that being a factor on the cummins?
Elder User
Joined: Jul 2010
Posts: 501
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From: Pacific NW
Most of our buses burn through their fuel in 1 to 2 days, so fuel doesn't have the time to go stale. But I still remember when we dropped a fuel tank before our additive program, and found this tar like residue lining the tanks. I know that on some of our buses, we've gone through a spat of bad injectors, but I haven't heard nor seen any issues regarding sealing. I'm guessing the really high pressures would make sure the fuel flows in one direction, as we've had issues with fuel getting in the oil, or washing the liners. What we discovered is that due to the high fuel rail pressures, the fuel has been getting really heated, then when it returns to the tank filled with cool fuel, it would cause an oxidizing reaction with the fuel which was the root cause of our contamination issue.
Not to get too far off on a tangent from the OP, before anyone decides on adding fuel conditioners/additives, cut open your fuel filters and see if you have an actual issue that needs to be addressed. Otherwise you're probably doing nothing extra for your engine. If your state mandates B5, then you have your lubricity right there.
Not to get too far off on a tangent from the OP, before anyone decides on adding fuel conditioners/additives, cut open your fuel filters and see if you have an actual issue that needs to be addressed. Otherwise you're probably doing nothing extra for your engine. If your state mandates B5, then you have your lubricity right there.
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