Hello everybody:


Just bought a 2007.5 leftover with the 6.7 in it. It is a 3500 quad cab, DRW, automatic 68RFE trans, big horn edition, and inferno red in color. Build date was 3/07 as memory serves. Shaved $12500.00 off sticker and made them give me $21,000.00 for my old truck, which was a 2006 F-250 4X4 super cab gasser with the Triton 5.4. Thought it was a good deal for the amount of discount involved, but had to play hardball with them to get them down that much.

I think it has the G30 recall done. Has the sticker on the front support bar on engine compartment. I think this was the reflash of the ECM. Don't know if they did anything with the o2 sensor though. I think the sticker just says something about a reflash of the ECM.

Anyhow, I'm getting about 13.3 in city driving according to the lie-o-meter on the EVIC.

Been looking at fuel additives for the 6.7 in the hopes of getting better gas mileage. Saw that Stanadyne has an updated brochure (dated 9/07) on their website for the Diesel Performance Formula.

Says that the new Performance Formula is not only safe for use with ULSD, but they also say, "Stanadyne additives are also compatible with the latest generation of catalytic converters, urea injection systems, particulate
filters and other exhaust treatment technologies. Engine warranties should not be affected."

You can check out the link here:
http://www.stanadyne.com/new/ppt/showfile.asp?id=4205

Note the reference about the DPF. Stanadyne is saying the additive is DPF safe. They also state that the additive can be used in conjunction with their other products, and also should work OK with any additives added by the fuel manufacturer.

We all know Dodge's position on additives in the Owner's Manual. They state that diesel additives are not "necessary," for the 6.7 but don't really say anything about them being prohibited, or that the use of them will void warranty.

Does anybody have any TSB's or official correspondance from Dodge or Cummins saying that the use of additives in the new 6.7's will damage the DPF or void the warranty? If so, I would like to see them or send me a link to the location of the information.

Also, has anybody out there been denied warranty coverage on the basis of using a fuel additive alone? Has anybody experienced a DPF failure or higher regen rate on the DPF because of using a DPF approved additive like Stanadyne?

In my mind, it stands to reason that the quality of the ULSD we are getting might not be up to snuff or as good as any diesel in the past. Look at regular gasoline. I have several friends that have had troubles with water in their gasoline, and also my 2006 F-250 gasser would knock on anything lower than 89 octane. If I used 87 octane it sounded like a one man band under the hood!!!!!

I am a firm believer that the quality of the fuel in recent years has gotten worse because of the high price of the base stock and crude. The manufacturers are looking to cut corners to save on refining costs, and so perhaps cut corners on additives and refining measures where they can.

Have seen some old threads on the TDR talking about fuel additives and the 6.7, but these were from about 5-6 months ago.

Wondering if you guys want to take another look at this and see if there any recent developments.

By the way, Geno's garage has a Mopar Fuel System Conditioner listed on their website for diesel engines. This looks to be coming direct form Mopar (dodge). I am not sure if it is safe for the 6.7, but I find it ironic that Dodge states in manuals that no additive is to be used, and yet also offers an additive themselves. Talk about a contradiction!!!!!!

Let's see if we can generate some discussion on this, and see where it goes......

neelre

 

I have the 6.7 with 7,000 miles on it.and my mileage was about12.5 at best. the last three tanks I've been using Stanadyne performance and my mileage is now near 14.

 

Personally, I think your looking at snake oil. I wouldn't put anything other than ULSD in my 6.7L. The only thing that will get you better MPG is cruise set on 65mph. The Cummins should also loosen up some after break-in and get a little better MPG. Just my opinion...

 

Used Stanadyne Performance on and off since 2004 in my 5.9 and now in my 6.7. Have not seen any noticeable difference in MPG but did notice at -20F the Stanadyne itself would gel.
If however Stanadyne will reduce emissions 49% it would be a great product to use when you remove your DPF. This without a doubt would increase your MPG's.

 

A 49% reduction in particulate emissions would also be very beneficial to those of us that wish to leave our DPF's intact as well. This would mean less particulates going into the DPF's, meaning that they wouldn't plug up nearly as often during prolonged periods of idling (city driving) or light/no load driving where the EGT's are not at the highest levels.

 

With Dodges latest flashes regeneration occurs automatic weather the DPF is full or not. Burning cleaner fuel saves nothing. Have Stanadyne Performance in my tank now,overhead shows 12 mpg after 100 miles mixed driving reset at fill up.

 

Neelre, I'm with you on additives! If Dodge forbids any fuel additives, then they better send that information to me in writing! Otherwise, I have not been legally informed of that requirement. I personally use 1oz. of Stanadyne Lubricity Formula and 7oz. of Stanadyne Performance Formula for every 30 gallons of fuel (approximately). My main concern is the amount of lubricity in the fuel available. I don't know if some yokel is putting the correct amount of lubricity additive in the fuel or not. When was the last time you ever heard of the government doing ANYTHING efficiently (except the military). Not that the government is in charge of fuel delivery, but it's a similar thing. I have been doing this for 6k miles and everything is fine. If an additive screws up part of the emissions system, thats tough. It's alot cheaper to fix that than replace injectors as far as I know. The additive also just gives me piece of mind.

 

Jbob, I think the same way as you. As long as the additive does not HURT my truck, I just would feel better having it in the tank, whether or not it is helping it or not!!!!!! I just think that it stands to reason that the gel point of the fuel would be reduced, and lubricity would improve.

I would like to hear form more people who are running additives in their 6.7's. Please let us hear your story!!!!!

neelre

 

Friend has 6.7 and gets same mpg. Sorry. Did read and see pics of 6.7 straight piped and was getting 17 to 19. Do a search for the thread. 6.7 straight piped.

 

Actually, burning cleaner fuel will lengthen the useful life of the DPF before it has to be either cleaned out or replaced. More soot means more ash is produced during the regen process... ash which accumulates in the DPF. If (and as with all claims it's a BIG if) Stanadyne Performance removes 49% of the soot in the combustion process, then theoretically the DPF's useful life should be extended by 49% as well. The average lifespan is estimated to be 120,000 miles, meaning another 50,000 miles could be driven before a cleaning is necessary.

 

Up here in ND you have to have some form of additive. You either purchase your fuel with it pre-mixed by the station or you have to add anti-gel. I purchased my 08 Mega Cab in November and the dealer recommended Stanadyne. As a matter of fact, I went back into the shop and talked with the tech's and they actually had a bottle of Stanadyne performance on the shelf. Said they used it in all the trucks on the lot to keep them running during the winter.

 

Yes, I know that a lot of gas stations also add their own anti-gel additives RIGHT INTO THE TANKS to prevent gelling. I called the local Pilot gas station (the man didn't seem to know much) but he was 100 percent positive that they added their own anti gel additives because he has to go out the tanks and do it when they get a new batch.

I don't know about you guys, but I would feel much better if all the damned additives were put in at the REFINERY level. I just don't trust these gas stations and distribution centers that add their stuff after the fuel has been refined.

I have also read a lot of places that the reason why additives are not placed in the deisel at the refinery level is because of the pipeline contamination from the additives. It messes up any other fuels sharing the same pipeline, like jet fuel and such.

I would like to hear from more folks that are using either Stanadyne or Power Service additives in their trucks. Both of these are supposed to be DPF safe. Please let us know if you have had any problems, either with the DPF, excessive oil change intervals, or with Dodge on warranty issues.

neelre

 

Well here is the stand point from a 6.7 tech. Personally I have not seen any problems with people using fuel additives in their engines, and yes anything to clean up your emissions should help prolong the life of your DPF. As far as the MOPAR additive I find that funny too, when I was sent to school for the 6.7 we actually covered additive use in the 6.7 quite in depth. What i was told would be Chryslers stand point on it is this: as long as the additives being used are additives that are approved for use in ultra low sulfur diesel then there should not be any issue. My personal thoughts on the issue are this: if you are worried about something being said about additive use before you go into the dealership to have any work done on your vehicle just remove your bottle of additive from the truck and if asked dont say anything to the service writer or tech about using any kind of additive. More than likely if your truck goes in for a fuel problem they will pull a sample and only look for the obvious contaminants like dirt,sand, water, oil,and other stuff like that. So far they have never asked me to actually send off a sample of fuel to have a full blown analysis done. As far as getting better MPGs all I can suggest is for you to make sure you keep current with your flash updates , which if your dealer has a tech anything like me they will keep a log of the current flash part numbers and dates that they came out and be able to tell you if a new one is available for your truck or not, or just go in and have it checked out for updates. I believe that the last flash release date was the 21st of December and i do know that the part number ends in AW , the last flash was an AV and the one before that ,which was when the G30 recalls started on the 31st of October was an AU part number. Now these part numbers are only for the 07 3/4 and one tons , as far as the 08s im sorry but I dont see as many of them now and i dont have the part number suffix memorized. Also to help your truck run at its best try to run it HARD almost every time you drive it. This will help keep your DPF cleaner. Also USE YOUR EXHAUST BRAKE. This doesnt hurt your mileage of truck performance what so ever. In fact it will help you by helping to keep soot from gumming up your turbo. The way that these turbos work in my opinion is not the best way to make a VG turbo but hey i wasnt a developer on it and im sure that they had their reasons for they way they designed it. If you would like to know more on how the VGT and exhaust brake work let me know and I will tell. Sorry I got off topic about the additives but I think that i touched on all or almost all of what has been mentioned in this thread so far. If anyone has any kind of questions feel free to send me a PM too.

 

BigTXDually,

You are my Yoda!!!!!! I want to know what you know about these trucks!!!!! I know that Power Service and Stanadyne have made their additives ULSD friendly and supposedly safe for DPF's.

Let me ask you, what do you think about the 6.7? Do you think it is a good motor, or junk compared to the 5.9?

Right now I am getting about 13.2 mpg in a mix of city and highway driving. Our area is pretty hilly too. Is this bad mileage for the 6.7? I have the quad cab long bed.

TEACH ME!!!!!!!!

Hope to hear from you soon.

neelre

 

I just got back from a 2500 mile trip to Ludington, MI and on my first tank, I got 17.1 @ 73 mph. All MPG's were hand calculated using my Garmin. The second tank was in the hills of PA and I only got 16.2. Coming back from MI, I filled up at the MI / OH border and made it to just South of DC on 95 (Potomic Mills area), which netted me 16.3. I didn't use my Pup or any additives, but after reading the above post, I'm going to start with Stanadyne and see how it does.