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Diesel Fuel

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But you do realize that FCA is providing the warranty on the engine not Cummins. So, you need to know that if you have a fuel issue with the fuel pump or injectors it does not matter what Cummins say on their web site that is acceptable to use. What does matter is what FCA has stated as a maximum level of % of bio fuel for warranty repair work.
 
But you do realize that FCA is providing the warranty on the engine not Cummins. So, you need to know that if you have a fuel issue with the fuel pump or injectors it does not matter what Cummins say on their web site that is acceptable to use. What does matter is what FCA has stated as a maximum level of % of bio fuel for warranty repair work.

I do realize that... sort of why I mentioned the discrepancies between what Ram says and what Cummins says.. FWIW I think Ram doesn't update their owners manuals on a regular basis
 
I'm butting in here even though mine is a 3rd gen, '06 model. I travel around the country quite a bit and have found that non-bio diesel is getting more difficult to find. As a result, I've used B-20 a number of times even though I didn't want too. The result has been clogged fuel filter from the higher dissolving properties of the Bio, loosening up tars and shellac adhering to the tank and lines (I assume) and a need to change it more frequently. I don't know and can't get definite answers as to what damage might be occurring, long term. Does anyone know? I have over 141K miles, mostly towing.
 
I'm butting in here even though mine is a 3rd gen, '06 model. I travel around the country quite a bit and have found that non-bio diesel is getting more difficult to find. As a result, I've used B-20 a number of times even though I didn't want too. The result has been clogged fuel filter from the higher dissolving properties of the Bio, loosening up tars and shellac adhering to the tank and lines (I assume) and a need to change it more frequently. I don't know and can't get definite answers as to what damage might be occurring, long term. Does anyone know?
THIS ^^^^^ IS WHY MY DEALER SAID DONT USE IT..... exactly the issues my dealer said they have dealt with.....

 
I'm butting in here even though mine is a 3rd gen, '06 model. I travel around the country quite a bit and have found that non-bio diesel is getting more difficult to find. As a result, I've used B-20 a number of times even though I didn't want too. The result has been clogged fuel filter from the higher dissolving properties of the Bio, loosening up tars and shellac adhering to the tank and lines (I assume) and a need to change it more frequently. I don't know and can't get definite answers as to what damage might be occurring, long term. Does anyone know? I have over 141K miles, mostly towing.

Unlike big rigs all OEM's for pickups and passenger vehicle diesels have been skimping of water separators and fuel filters forever. Cummins in the past offered Government fleets the ability to go up to 20% Bio and the only difference is additional water separators added to the B20 units.

Biodiesel adsorbs more water than #2 ULSD and today's ULSD will hold more water in the fuel than LSD and older obsolete spec diesel fuel of the past. Simply put to run Biodiesel "contaminated" fuel that lawmakers think is a good idea to force on us you need a good water separator and good fuel filter. The upside is Biodiesel is one way to provide fuel lube that the ULSD process ruined. Avoid yellow metals like brass fittings as bio corrodes these. Worst case is you get hit with the diesel bug and the bugs go nuts with Bio Diesel. Even then better than the beancounter garbage OEM wanabe water separator filters can save your injection system. (Save here means you don't replace it now, but, may have to run a special cleaner from a 5 gal pail through the system.) This said I have thousands of miles running B99 just fine until their 'wet fuel' quit meeting spec and the bugs hit hard. https://www.turbodieselregister.com/threads/248698-ULSD-and-Biodiesel-Exposed!

Oh yeah, you also need to change your oil more often as BioDiesel doesn't evaporate back out of the oil like #2 diesel does and UOA doesn't detect it as "fuel": Viscosity of the oil falling off is a clue. Post injection to clean DPF designs get hit the worst as a good amount of the bio hits the cylinder walls rather than evaporating.

Again:
1) Run a separate water separator and better fuel filter than OEM (may exclude the late models that finally address this long standing skimp area.)
2) Run a dose of biocide now and then.
3) MPG and power loss is around 10% depending on Bio percent. 10% MPG and power loss is biased off running B99 on a daily parts delivery route towing.
4) Change oil more often.
5) Storage is a concern, just ask boaters who store their boats long times...
6) Nox emissions will be higher while soot goes down. :rolleyes: ok to make our fuel emit more NOx but not for VW...
 
Actually you can have premium diesel just like gasoline. You. Have 82,87,92 at the pumps. The higher the number the more octane. As I tell my some of my customers. It sounds a little backwards but higher the octane the slower the fuel burns which allows more to burn in the cylinder. More fuel you burn the hotter it gets in the cylinder the more power you have.
The same with diesel except you want the centane high not octane.
My 82 Buick pinged like it was ping pong machine until I started to run 92 in it.
Around town I get 20 mpg on the highway I get 30 to 32 mpg. Actually the Buick got it.
 
Around here diesel and 91 octane are with a couple cents of the same price. They are both pushing $3 in the oil patch again.
 
I filled up my truck last week, paying $2.55 a gallon for NO.2 with 5% bio in the fuel. Which was down from $2.74 a gallon that I was paying in Feb 18. Regular gas 87 Octane was $2.56 a gallon for the same time period.
 
cheapest I can get gasoline is 2.45. cheapest I can get diesel is 2.74.. the average price spread is almost always around 10% between diesel and regular grade gasoline..
 
one thing for sure is the spread in Fuel prices can be extreme, in one locale. I bought 80 gallons of Diesel fuel Thursday for 2.81 a gallon,and every other station was 2.95 and up within two miles of that place.


yesterday we pulled the fiver from Naples to Ocala Fl and the big truck stops are 3.13 to 3.19 for fuel.but the smaller stations off the interstate were 2.89. to 2.95.
 
YOU CAN RUN B20 BIOFUEL; ALL DAY LONG ! That is all they sell in many places and I have used it many times. No problem. Diesel fuel is a common pipe line fuel The fuel you buy at the Flying J is the same fuel sold across the street at the other truck stop. Buy DEF in truck stops at the fuel island. Dont go to the RV islands because they usually don't sell it at the pump.They want to sell you you the box that costs double if not more then the pump price. 35 years of Big Rig trucking. I know of what I speak.
 
yesterday we pulled the fiver from Naples to Ocala Fl and the big truck stops are 3.13 to 3.19 for fuel.but the smaller stations off the interstate were 2.89. to 2.95.



First rule why you do not want to fuel at small stations off the main routes. The cheaper fuel has been there a while and stations have not seen a fresh fuel delivery to increase prices.
 
First rule why you do not want to fuel at small stations off the main routes. The cheaper fuel has been there a while and stations have not seen a fresh fuel delivery to increase prices.

Or these smaller stations have farmers and the equestrians pulling trailers that regularly use them and are providing lower prices to their loyal locals and others who have the gas buddy app? They realize some will drive a few miles out of their way to get a lower price?

Sometimes the stations with the lower price have more fuel turn over and fresher fuel than those selling at higher prices because more will like to pay the lower price?
 
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Or these smaller stations have farmers and the equestrians pulling trailers that regularly use them and are providing lower prices to their loyal locals and others who have the gas buddy app? They realize some will drive a few miles out of their way to get a lower price?

Sometimes the stations with the lower price have more fuel turn over and fresher fuel than those selling at higher prices because more will like to pay the lower price?



At which point they would be out of business selling for less than the cost of the product. There is NO big margin of fuel prices at the pump, it changes load by load and if they are lucky pays the electric bill to pump and advertise it. If its cheaper than high volume stations it is due to 2 reasons; the fuel is older delivery and has been there a while, or, it is cut rate beginning\end of the pipeline run with questionable quality.
 
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