I am fixing to change my oil in the next day or so and plan on running the used oil in my tank.

Two questions:
1) I believe the max recomended use is one quart per every other tank full...am I correct?

2) If I run it, should I change my fuel filter more frequently, or will burning it at such a slow rate not make that much of a difference?

Why on God's green earth would you run used, dirty, contaminated oil in the fuel system of a $25K truck?:confused:

its a Very Common practice infact Cummins has a sytem to do it for you called The Centinal where it exchanges the used oil and burns it. here is a link to another system they are the comapny who make the Centinal for Cummins http://www.oilmate.com/

My family has done this for years with only increased fuel mileage being the result. Don't exceed 40:1 or 1qt for every 10 gal.

The Centinal uses high filtration to do it's job and is great for truck that's a money maker whose goal is to be on the road as much as possible.
Downtime for an oil change = $$$$
My big question is why mess with used oil on a personal rig to save $6 in diesel?

better then dumping it down the drain, or burning it on the fire

Originally posted by 03 ant a hemi
better then dumping it down the drain, or burning it on the fire

How about taking it somewhere to be recycled like you're supposed to? Most of us live somewhat near an auto parts store or a jiffy lube, which take used oil for free..

I also can't imagine why anyone would risk their CTD trying to save a few pennies by burning used oil. Think of all the wear metals going through your injection pump!:o

I'm sure you could get used oil from Kentucy Fried chicken also, or how about Mc Donald's?[eyecrazy] [eyecrazy] [eyecrazy] [eyecrazy]

The time you spend goofing around with this you could have easily earned 10 times the amount you think you save by WORKING. Why not just park your truck and live in the mountains of Montana and live off the land? Heck, I'll bet you could even eat out of dumpsters and save money on food too! You could shop at Goodwill and buy used clothes and stand in line at the food bank so you don't have to spend money on food like the rest of us. Did you know they throw out food at resturants at night? If you ask they might give it to you for FREE!

The point is you cannot $SAVE$ yourself into prosperity, nor can you borrow yourself into prosperity.

Boy, is this post gonna get zapped! [dummy]

it seems that used oil is filtered, and it probably adds to the lubrication of the diesel fuel, i cannot see any reason why not too. it will be filter again in the fuel filter, sound just fine to me. but i don't want to waste my time dropping oil off at some jiffey lube either.

Originally posted by Geico266
I'm sure you could get used oil from Kentucy Fried chicken also, or how about Mc Donald's?[eyecrazy] [eyecrazy] [eyecrazy] [eyecrazy]

The time you spend goofing around with this you could have easily earned 10 times the amount you think you save by WORKING. Why not just park your truck and live in the mountains of Montana and live off the land? Heck, I'll bet you could even eat out of dumpsters and save money on food too! You could shops at Goodwill and buy used clothes and stand in line at the food bank so you don't have to spend money on food like the rest of us. Did you know they throw out food at resturants at night? If you ask they might give it to you for FREE!

The point is you cannot $SAVE$ yourself into prosperity. Just like you cannot borrow yourself into prosperity.

Boy, is this post gonna get zapped.


"I'm sure you could get used oil from Kentucy Fried chicken also, or how about Mc Donald's?"
They never change it, so I doubt you could get it.

"The time you spend goofing around with this you could have easily earned 10 times the amount you think you save by WORKING."
Takes me about 1 minute to turn a valve on the 55 gallon drum of old oil, fill a container, pour a quart of used oil in my tank, wipe off the container and put it back in the cabinet. I saved myself a 30 minute trip into town to get rid of my used oil. So at $35/hr, (my usual rate when I go off the farm to do welding), I have saved $17.50. I've found no need for additional fuel filter changes - no extra time/money spent there. And with almost 500,000 miles on the original injector pump I don't think it's hurt it at all. Never really thought about the fact that it *might* be increasing mileage tho, I'll have to check that out. Oh, and I DO work, most times 12 - 14 hours a day, 7 days a week.

"Why not just park your truck and live in the mountains of Montana and live off the land?"
I'm doing that too... sorta. I live in Michigan, cut wood and run a tree farm on my own 160 acres. I do a little welding at times, but for the most part, if my land doesn't make me my income, I don't HAVE an income! Close enough? :D

"Heck, I'll bet you could even eat out of dumpsters and save money on food too!"
Yeah, I COULD I guess. I hunt and trap tho, sometimes that's pretty close! Ever eat possum? If God had a dumpster, that's what you'd find in it!

"You could shops at Goodwill and buy used clothes"
The only thing I can't find there are decent shoes. The pants and shirts are pretty good tho.

"stand in line at the food bank so you don't have to spend money on food like the rest of us."
I don't need to do that.... yet! I donate a few deer a year to the local shelters tho. They seem happy with that. But you're right; what I don't get by hunting or trapping I grow in the garden.

"Did you know they throw out food at resturants at night? If you ask they might give it to you for FREE!"
They DO give it to me for free. My pigs like it, makes 'em big an' fat!

"The point is you cannot $SAVE$ yourself into prosperity. Just like you cannot borrow yourself into prosperity."
I'm not aiming for 'prosperity', just being frugal and making the most of what I have, which ain't much, but it's paid for!

"Boy, is this post gonna get zapped."
On THAT point, you're most likely correct!

chaikwa.

Just because you dont share the same view does not justify you insulting his intelligence!

::Climbs 5'3" self up on the soap box::

Well guys, thanks for the insults.

Also, I haven't got either one of my questions answered...thanks.

I was going to make a comment on my origional post saying that this is something I planned on doing, please only post answers to my questions, not negative comments on the issue. I sort of figured this would happen.

About the only post I see posible that's left is the guy that is going to tell me I'm going to go to jail if I get my tank dipped. Any volunteers?

You probably can't tell by this post, but I am a person who has a great sense of humor, and enjoys to joke, but I just though I could come here for answers to my questions. Guess not.

::Jumps off soap box::

Now, this is something people do, and have good results. Can someone answer my origional questions?

Thanks,
Joshua

Chaikwa...thanks for your post. Exactly what I wanted, someone with experience on the issue.:D

Some people in these forums just type to hear the keys click. Dont take it personal.

I think its a reasonable, environmentally sound question that I too would like to know the answers to even if I dont do it.

And yes, I do know people that burn Kentucky Fried oil in brand new equipment that cost 10 times the cost of a cummins.

Originally posted by tdubovsky
its a Very Common practice infact Cummins has a sytem to do it for you called The Centinal where it exchanges the used oil and burns it. here is a link to another system they are the comapny who make the Centinal for Cummins http://www.oilmate.com/

Do you have any clue what that system costs?

Joshua,

Personally, I would NOT put used oil in my tank. There is too much crap left from combustion. If you are wanting extra lubrication use some good fuel conditioner and some FRESH SAE 30 wt to your tank. You're cummins will be happy.

my only concern is the fact that the oil has suspended metals in it. But remember that they will sink to the bottom of your fuel tank like all the other crud that is in the fuel. what ever else will most likly be filtered by your filter. I like the comments from Chaikwa kinda makes people think before engaging their mouths.
my question is why would you put mods on your truck like other air filters, boxes or different exhaust systems. only to have a possibility to damage your $40000Cdn truck. The guy asked a couple of simple questions and a few people on here proceded to belittle him and talk down to him. Now if it was construtive criticizem then fine, but construtive criticizem always has a way to fix the situation.

I do beleive one of your questions were answered 40:1 for the mix. As for your fuel filter because I doubt many people have burnt oil in their trucks they really dont know. what is it to check your fuel filter every once in a while to see if it is contaminated sediment in the bottom would be an indicator. If you please keep us posted on how well it works for you. i am pondering doing this myslef. One last thing is I would look at maybe getting a filter and filtering out the oil before putting it into the vehicle. good luck

The only problem I can see is on the 24 valved trucks they use an electric lift pump with tighter tolerances then the mechanical lift pumps on the 12 valve trucks. The lift pump is before the fuel filter so with the tighter tolerances it might eat up more lift pumps.

This is only speculation so in real life situations I really do not know.

I would love to use used motor oil for better lubrication, possible fuel mileage gain, saved running around time trying to get ride of it, and my own enviromental concerns but until some one can prove to me it will not damage anything I'll keep giving it to a guy that has a furnace that burns used motor oil.

Don't come down too hard on anyone, I'm as guilty as anyone when it comes to putting my mouth in gear before the common courtesy portion of my brain. If you don't think that's tru, just read my previous post in this thread. I was a tad too sarcastic for my own good.:( Maybe the guy I was responding to ALSO slipped the shift-lever into gear without realizing it! :D

To try and answer the question about filtering and suspended metals; I guess filtering wouldn't be a bad idea, but it's already been filtered so many times by the engine oil filter, I didn't think there'd be anything all that harmful in it to begin with. I've been doing this since the truck was new without any problems. The fuel filter is somewhat black when I change it, but there's never any sediment in it that I've seen. I do oil changes by the hour, (200 hr intervals), not mileage however, so maybe this has something to do with the amount of crud that gets a chance to build up in the oil. It's still pretty clean when it comes out of the crankcase.

Hope this helps this time!

chaikwa.

Originally posted by Dr. Evil
Do you have any clue what that system costs? Unless somethin's changed they don't make the Centinal for a 5.9.

I know a couple guys who add waste oil, one gallon to a full tank after letting the oil sit for a few days so the big stuff settles.
Don't try to add synthetic oil to the tank unless you like smoke.
It's illegal to mix waste oil with fuel in Calif, NY and Mass.

I'm doing this with the oil from my last oil change. Cummins says up to 5% is OK for trucks with no cat, trucks with a cat it's supposed to plug the catalyst so it's verboten. I'm doing the 1 qt pre fillup deal. At this ratio it's nothing but a little extra lube for the IP. Like Bill said, I let it sit and pour off a quart, I'm filtering it through a paper towel folded in quarters so there's no big junk in it. I'll leave the last quart in the jug and use it for starting fires.

What color smoke does syn oil make?

i have a waste oil boiler in a separate building. i know this doesnt answer your question but i pipe hot water to my house helps with heating billl and gets rid of waste oil. but i do know from experience that no matter how good you filter used oil it is hard on the oil pump on the furnace. i usually have to replace the pump once or twice a winter.[eyecrazy]

Originally posted by 1st gen Hobie
What color smoke does syn oil make? Blueish

Sorry, if I offended anyone that was not my intent.

I just can't believe anyone in their right mind would add used engine oil to a CTD. My Navy experience with used oil tells me that there are MANY difference undesirable chemicals in used oil, PH levels, acids, water, that can be suspended in used oil. Adding it to the fuel system just blows my mind! In my opinion you are just asking for (very expensive) trouble.

How do you mix it up? How does it stay mixed up? This hurts my head!

I looked in the owners manual and couldn't find a thing on it! [eyecrazy] [eyecrazy]

i have to agree, i have no technicle(sp) experience on this subject. I just dont think i woukld gamble ten grand or more on a paper towel:o [eyecrazy] If you want to add oil to yer tank, go buy the bargain stuff for a dollar a quart.

I burn two quarts per tank fill, every other tank. I have never seen a difference in the filter getting dirty. It used to be common practice a few years ago to burn up to 10% used oil. Big companies always did this until EPA stepped in.

Engine oil is meant not to burn and, depending on the kind of oil considered, it can produce lots of ashes and also coke up your injectors. Since it doesn't burn too good in the diesel and for the reasons mentioned above it will also increase emissions. This is more of a concern on the newer engines and also on engines that run significantly below their max torque for most of the time. (Due to lower injector tip temps)
In a stationary engine that's running close to 100% rated output burning the used engine oil has good results and with the right oil for it no negative impact on the emissions.
The whole situation regarding taxes etc is also to be considered. Over here I'd have to pay the taxes that are on diesel for every liter of engine oil I burn to make it legal in a street driven vehicle, I can't comment on the situation in the USA or Canada.
One of the main reasons the oil has to be changed is because of the reduction in TBL, the capability of the oil to neutralize acids. (This is done by additives)- diesel does not contain these additives so any acid in the oil will form a potential souce of corrosion in the fuel system.

AlpineRAM

Originally posted by Dr. Evil
Do you have any clue?

usually not.


jeremiah

I don't want to join in the flame fest buy I do have lots of experience doing this.

I have no fear nor reservation about burning used oil (any kind) in my `05. I will be doing this from the first tank on. Disposing of the used oil is a pain (taking it back to AutoZone who tank is full 8 out of 10 times) and easier to just pour in the tank 3 qts per fill and get some mileage out of it.

I even do this in my gassers but only 1qt for every 20 gal. In my `00 Mustang GT the O2 sensors desensitized around 75k miles - replaced them at 80k. Gas mileage went from 19.5ish at 65k to 18ish at 75k. After O2 sensors (all 4) were changed mileage is back to 20ish. Original cats, still passing emissions on the dyno hardly even registering any HCs at all. Got 93k on her and all is well. Every vehicle I've ever owned has consumed it's own oil (I run synthetics all around after 30k miles), trans fluid, gear lube. I won't use used Pwr Steering fluid because of the hydroscopic properties of PS fluid - it absorbs water and it won't come out easily. Not worth the hassel for 1 pt.

Disclaimers:
Common sense is the key factor!!!
I am installing a Racor water separator/filter/fuel heater/lift-pump combo prior to doing this. I also replace the fuel filter every 15-20k miles, it's $10 and easy to get at.
When pouring you oil into your truck pour through a fine strainer funnel with an old speaker magnet in it (just in case). Or pour using same method into just emptied new oil jugs that you just filled your engine with (this is what I do). Then it's measured in 1 qt jugs for easy addition into your tank. After used oil is emptied into tank - trash the jug - never worry about contaminated containers.

I have only had fuel problems once. I filled up in Monterrey, MX at a newish PeMex (the only kind there is down there) and the engine stumbled and stalled unless I had over 1/2 a tank. It clogged the unusually fine pre-pump strainer located in my tank. I replaced it and have had no more issued. It looked like rust flakes. Mexico, water in the tanks, old steel tanks....go figure.

Here is an excerpt I wrote in the "Diesel Fuel" thread. It should answer your 2 questions.

Chevy 6.2L & 6.5L NA diesels are notorius for failing mechanical injector pumps at 30K miles - it's a $1600 pump so the trucks go to the junk yard (frankly where they belong :) ) way before their time - the repair is more than the value of the truck. Why do they fail? Well in the early `90s when they removed HSD (hi-sulphur diesel) from the auto pumps the injector pumps were designed to run on HSD for lubrication. So they just burned up, literaly. The fix is to throw a qt of used or new motor (cheapest stuff you can find) in with every 10 gal of diesel (~40:1). Motor oil and ATF are loaded with sulphur and LUBRICANT, you are essentially making HSD in your tank (red-neck style ). You will also notice a 2+ mph gain as now a lubricated pump can generate proper pressure and atomize the fuel properly. How many trucks made from `94 on have self lubricating pumps, all of them. It's like running a 2-stroke on 72:1. It'll work for a while, just not a long while, and the perf will s*ck.

The common method for removing sulphur from diesel if hydroginating the fuel which removes the sulphur as well as the lubricants in the diesel.

Why used motor oil? Why not? You've already paid for it, you got a fuel filter. Don't be dumb and squeegie it off the shop floor into a dust pan, put it into a coffee can with grounds still in it. Pour it through the multi-purpose funnel you have laying around the garage that hasen't been cleaned since you bought it 20 years ago. Common sence goes a long way here. If it comes out of your oil pan into a clean container then it is pretty much ready to go.

Here is the circle j@rk on used motor oils. It's a hazardous material that you can't legally use for liquid edger, anymore. You have to dispose of it properly. You are charged a disposal fee by the store you buy it from for every qt you buy. They simply add it into the price and are not required to show you what it is. They are required by the EPA to accept back used motor oil equal to the quantity they sold you at no charge - they already charged you!!! They then pay an oil reclaimer to come pick it up. That guy is just a transporter, really. He takes it and sells it to oil recycler. They filter it. Group it with similiar oils they separate. Then they sell it in various grades of "fuel oil" to distributors. The EPA states that controlled combustion is an acceptable form of used oil disposal. So the distributors sell it mainly to the marine industry where they have mixers that once the engine gets to operating temp, mixes about 30% used oil and 70% HSD. There is much more BTUs in oil than diesel so the consumption rate is less and the power remains the same. But like with any fuel the burn rate is important and dictates the fuel's application. Why can't I run a diesel at 7k RPM - because the piston will out-run the expanding flame from the burning diesel. Piston speeds become very important in drag racing as RPM = HP in most cases. So they use volitile fuels like gasoline and nitro-methane. In a tanker ship with 100+ Litre engines lugging at 900 rpm all day this isn't an issue. Slow consistant burning is most important. Octane actually increases the flash poing of gasoline. Yes, 87 octaine gas is more volitile than 110 race gas - why do you thing they have to step the octane up when the compression goes up? The compression heat will pre-detonate the fuel. Diesels have cetane that reduces the flash point for older diesels that aren't running 23:1 with turbos - but you all already knew that I'm sure.

Well I'm ramblin. I just thing it's funny how you pay to dispose of oil that they wind up selling back to you. You might as well consume it yourself!

Hope this answers your questions.

I've run a lot of used oil in my rigs and it has nothing to do with how much the rig cost. What a silly comparison.
I've run old heating oil and lube oil from about 10% to fuel all the way up to 100%. Yes, even pure oil with no fuel, and have never noticed a difference except maybe the exhaust smelled a little different. I prefiltered mine to get out the water and the larger contaminants but it was done in a casual way. I'm sure the filters would not go as long but I've not experienced a difference.
Even Mercedes has a recommended schedule for the amount of oil you can add and many fishermen dump old oil into the fuel tanks when changing oil on their boats.
Every time this subject comes up there is a big panic about what a terrible thing it must be but I don't see the problem, and I speak from experience.
I haven't run any oil in the common rail system but, in theory, it may be better than running it in the solid injection systems since the newer ones are not positive displacement and the pumps could use better lubrication.

Wetspirit

I dumped my oil change into my 3208 and forgot that the tank was low. I am guessing 30% motor oil. It did a lot of knocking until I got it to the truck stop to fill it up and thereby lowering the percentage. The old rule was 10%.

I generate about 150 gallons of waste oil a year and see no problem adding it to the fuel except that it's a waste of my time to mess around with it for the few dollars saved and very minimal benefits.
That's me though, might be worth it for a guy whose unemployed or retired and has lots of time on his hands.

Some of us do live a long ways from a dump that with accept waste oil. (150 - 250 miles)... I do and I got over 100 Gallons of waste I can't get rid of!

As for burn in the truck... I would but I can't see taking the risk of damaging the VP for waste oil. Yeah I know there is a fuel filter but...

As for burning waste oil - It is legal in the state of idaho to burn waste oil in your yard trash! It takes a while but I can get rid of 5 gallons on a fire...

So if it came down to it I would start burning oil in the take with the price of fuel going up! Also the waste oil is here in bulk!

Just my 2 cents...

Those of you considering this might want to look at the specs for the waste oil you'll be burning. Pay particular attention to the sulfated ash % and/or the Conradson carbon %. This is the % of the oil you run through your engine that will remain on injector tips, combustion chamber surfaces, valves, turbo, etc. as deposits produced during combusion of the oil.

Rusty

I buy 3 gallons of oil at Wal-Mart, and I take 2 1/2 gallons back. I buy 3 gallons of oil at Wal-Mart, and I take 2 1/2 gallons back. I buy 3 gallons of oil at Wal-Mart, and I take 2 1/2 gallons back. I buy 3 gallons of oil at Wal-Mart, and I take 2 1/2 gallons back.........:D

Cummins / Fleetguard has a service bulletin, Fuels for Cummins Engines, that states less than 5% oil is okay . There are some other requirements. You can see the whole thing at

http://www.fleetguard.com/fleet/pdfs/service_bulletin_3379001-08.pdf

AWSOME INFO!!!

Page 9 sums this whole topis up (the warnings).

I printed this one up to keep for reference.

I didn't expect to see this warning on pg. 19:
CAUTION
Do not idle the engine for excessively long periods of time. Long periods of idling
(more than 10 minutes) can damage an engine because combustion chamber
temperatures drop so low the fuel may not burn completely. This will cause carbon to
form in the injector spray holes and on the piston rings and can result in stuck valves.

Thanks!

Just remember the lift pump is BEFORE the fuel filter. You are sending all of the crud, metal shavings, from the used, contaminanted oil through the lift pump. The lift pump is a "wet" pump in that the motor runs wet and is cooled by the fuel. The metal fliings will collect on the permenant magents and ruin the pump much faster.

Tear the top off an old lift pump (like I did) and you will see what I mean. Running used oil in your CDT is a BAD idea.

This is all great info. I've changed my oil, but haven't dumped it in yet. I had a quart of 10w40 for an old car I had that I dumped it. I am interested just to see what will happen to the milage.

Geico266...in this pump you are talking about...were you running used oil? Is that what killed it?

Originally posted by I PASS GAS
This is all great info. I've changed my oil, but haven't dumped it in yet. I had a quart of 10w40 for an old car I had that I dumped it. I am interested just to see what will happen to the milage.



I really wouldnt expect any milage difference - but your fuel system will be happier. Personally, I would use the straight SAE 30 wt instead of the multiviscosity 10W40

Originally posted by jkitterman
Cummins / Fleetguard has a service bulletin, Fuels for Cummins Engines, that states less than 5% oil is okay . There are some other requirements. You can see the whole thing at

http://www.fleetguard.com/fleet/pdfs/service_bulletin_3379001-08.pdf Link to the same bulletin without the **** pdf
http://www.tonyhome.com/3379001.htm

My lift pump failed on its own and I tore it apart to see what makes it tick. In studying the pump I learned it runs wet. Meaning the entire motor and pump are flooded with diesel fuel (PRE FILTER) to cool and lubricate it. The fuel actually circulates around the whole pump and motor. The fuel surrounds the permanant magnets, bearings, electronics, pressure relief valve, ect. To bath this precision pump in dirty, contaminated oil is the dumbest thing I could think of doing to try to improve milage.

IMHO. [coffee]

Well its true what they say about opinions LOL Interesting post.

Well I use it in mine, and I think it it was about 220,000 that I went to FASS. In the 220 I wore out two lift pumps and one VP44. One lift pump was purchased new and failed immediately.

You have filtering in the tank. Unless your motor is coming apart, there will be no metal chips in it. If you have metal chips in your oil, you have a lot more problems than a lift pump. When you pull the pan, it is spotlessly clean. You do have an oil filter on the engine.

A half gallon in a full tank will raise my mileage average about one mpg. Mostly noticed on light throttle where the extra energy is not converted to more power against the load.

Cummins in the article says that 5% is ok, that is about one and one half gallons per tank full. I just sort of bet that they know more about it than we do. ;)

In the article it explains that the impurities are what is called "ash"

If you are that worried about it, take a pail, hook up an old lift pump (they pump fine, just not enough pressure), mix half and half with oil and diesel and let it filter.

Either that or do it like most do it, just dump it in. I just pour my drained oil back in the new oil jugs, throw them in the tool box, add half of one at fuel up.

Put a magnet in your oil pan the next time you have it off and run it for 50K miles and then take a look at it. That fuzz will be metal chips, or "dust" that will collect on the permentant magnets on the motor in your lift pump. (If you had one..lol) It just seems to me that putting used contaminated oil into a perfectly good engine is not a real good idea, just my opinion. More power to ya (no pun intended) if you do.

Maybe you could have gotten 500,000 miles on your 1st engine if you didn't recirculate the oil in the fuel!

[rant] (kidding)

Originally posted by Geico266
Put a magnet in your oil pan the next time you have it off and run it for 50K miles and then take a look at it. That fuzz will be metal chips, or "dust" that will collect in your lift pump. It just seems to me that putting used contaminated oil into a perfectly good engine is not a real good idea.

Maybe you could have gotten 500,000 miles on your 1st engine if you didn't recirculate the oil in the fuel! [rant] (kidding)

Well mine goes through a 40 micron filter/seperator then through the pump and then through a 5 micron filter then to the engine.

An honest comment on your post, what goes through the fuel system would affect the vp44, transfer pump and injectors. Not the bottom end of the engine.

Originally posted by Haulin_in_Dixie
Well mine goes through a 40 micron filter/seperator then through the pump and then through a 5 micron filter then to the engine.

An honest comment on your post, what goes through the fuel system would affect the vp44, transfer pump and injectors. Not the bottom end of the engine.

I can agree with the filtering you are talking about. But most everyone one this thread is NOT using a fltering system. They are filtering the used oil with a funnel and towel and the oil goes in the fuel and through the LP without a filter of anykind.

Do you really think this is a good idea?

I do. My lift pump looks like one off a small block Chevy except it's upside down. :) The oil was filtered in the engine, I've strained it to remove any big crap that fell into it while it was in the drain pan, and it will go through another filter before it gets to my injection pump. I see it as free lubricity additive for the injection pump.

I run used oil at 5 percent. Any more and she starts to smoke blue. I probably should change my filter, it has about 30k on it.[laugh]

Originally posted by wannadiesel
I do. My lift pump looks like one off a small block Chevy except it's upside down. :) The oil was filtered in the engine, I've strained it to remove any big crap that fell into it while it was in the drain pan, and it will go through another filter before it gets to my injection pump. I see it as free lubricity additive for the injection pump.

That's what I call cheating... Mechincal LP compared to a electric LP. :D

You can't hurt a mechanical LP really...[laugh]

I see the point they are make about the magnets in the Electric LP. Boy that would sure pile up some metal shavings quick wouldn't it? Maybe someone should create a drop-in magnet for the fuel tank that hung on a string? (Just kidding) I know with a steel filler neck it ain't going down that hole! (Clank!) :rolleyes:

Originally posted by Geico266
I can agree with the filtering you are talking about. But most everyone one this thread is NOT using a fltering system. They are filtering the used oil with a funnel and towel and the oil goes in the fuel and through the LP without a filter of anykind.

Do you really think this is a good idea?

Geico somehow I missed this post. I was talking about the FASS filtering system, I don't filter it before putting it in the tank. I use a clean drain pan and funnel it back into the oil containers that the new oil came in. They generally sit for a day or tow and the only precaution I use is not to put the last few drops in the tank from the oil containers. Never had a dirty filter problem. My final filter is 5 micron.

We just pour our old oil on the road in front of the house to keep the dust down. You know that stuff came out of the ground it isn't going to hurt anything going back!:D

I fully agree, but don't get caught, big fine from EPA. If you have a neighbor that is a tree hugger it can cost you.

I'm prettttttyyyyy sure there are no tree huggers around.

We just pour our old oil on the road in front of the house to keep the dust down. You know that stuff came out of the ground it isn't going to hurt anything going back!:D Problem is it isn't the same after running in an engine as it is when it comes out of the ground, it takes on byproducts of combustion. Used motor oil has been proven to cause cancer. Any you pour on the ground will eventually make it into the water table. Pouring used motor oil on the ground is for people who don't give a crap about future generations.

P.S. for what it's worth

The Cummins service bulletin was dated Jan. 1, 1995.

Alan

You just have not lived in the country. This place is not out of the ordinary, I will give you a few facts. On the corner from my house there is an old gas station. Willie changed oil for many years 25 or so, all the oil went out in the back and dumped. This is or was farm country and was mostly dirt roads. The method of taking care of dirt roads and long driveways was 55 gallond drums filled with used oil and draining into a pipe with holes drilled to spread the oil over the road. When brush is cleared used tires are piled on to aid in burning the roots and piles of refuse, still are. The poor people back in the hills burn coal left over from the strip mines and what ever else they can find to burn. I know of a half dozen old closed gas stations that the tanks have never been removed and whatever residue will hit the ground system. They are all over the USA.

Haulin_in_Dixie

So what your saying is, if someone's been doing it for years then it's OK?

Fifty years ago they said there was nothing harmful about smoking tobacco too.
I've lived in the country all my life and have burned tires and used oil for dust control but no more. I've seen the rainbow oil sheen on rain runoff running down the road and a whole valley of wells that had to be abandoned due to contaminated water in my time too.
Years ago the earth seemed like an infinite place that could absorb dumping and burning whatever we wanted but as the population grows it's proven to getting smaller and smaller each day and the negative effects these practices have caused are popping up all over.

Well said Bill.

You just want to argue about it. I am not the one doing it. I am not terribly worried about it though, there are many worse waste conditions. Try checking out what Mt. St. Helens has done to the atmosphere in the last few years.

You've got me I'm just a rotten good for nothing! Those guys driving down the road in the county trucks are bad people to they are spraying diesel fuel to kill the weeds.....ooooooohhhhhhh. Give me a break if you die because I poured my used oil on the road to keep dust down and kill weeds instead of preservitives in food or second hand smoke or smog or cholesterol or............ I pour 10 gal. a year on a gravel road? There is more oil leaked a year in one parking lot than that!:rolleyes:

Mt. St. Helens has done to the atmosphere in the last few years.
That argument is so worn out it's pathetic.
Most of what St. Helens has put out is ash, just silicone. Mount St. Helens, at its peak activity, emitted about 2,000 tons of sulfur dioxide per day, compared with 121,000 tons per day by motor vehicles.
Humanity is responsible for emitting 110 billion tons of carbon dioxide each year, while all the earth's volcanoes only contribute 10 billion tons.
Even if volcanoes were putting out more than humans there's nothing we can do about volcanoes. Sort of like saying why apply the brakes in a car speeding towards a cliff if you're going to go off anyway.
Argue it all you want, there is no sane person who would prefer a clean environment over a polluted one.

VOLCANO VS MAN - Myth vs Reality> http://www.gaspig.com/volcano.htm

I'm not picking on you Barry, I used to do the same thing. It's just when lots of people start doing it it becomes a problem and was made illegal.
But just because someone else is doing something doesn't make it right. Like saying Scott Peterson's method of divorce worked for him so it must be cool.

Originally posted by Barry Smith
..........I pour 10 gal. a year on a gravel road? There is more oil leaked a year in one parking lot than that!:rolleyes:


So with that mentality, if every in the U.S did the something that would mean there would be 2,949,939,460 gallons of oil dumped every year in to the ground.

http://www.census.gov/main/www/popclock.html


U.S population = 294,993,946 x 10 = 2,949,939,460

Hey, put that all in the fuel tanks and there would be a bunch of free miles driven. Of course that is illegal.

Talking to a tree hugger is like holding a friendly conversation with the IRS. They are always right, you are always wrong and it will cost you a bunch of money.

People like me would be a lot more receptive if the tree huggers came down to earth and considered the real facts and used some reality. You can get a web site to say anything you want they are out there.

Originally posted by winkle
So with that mentality, if every in the U.S did the something that would mean there would be 2,949,939,460 gallons of oil dumped every year in to the ground.

http://www.census.gov/main/www/popclock.html


U.S population = 294,993,946 x 10 = 2,949,939,460

You need to rethink your stats alittle.

1. Not everyone drives.
2. Not everyone lives on gravel roads.
3. Not everyone changes their own oil.

I hate statistics. [verymad]

I recycle mine to a local service station. They are very happy to get the oil.

Do you guys know motor oil has dioxin in it? Buring it spreads it in the air? Getting it on your skin (prolonged gearhead exposure) can give you cancer?

I recycle mine :D Right now that is almost six bucks in my pocket not counting the better mileage I get while it is in the tank.

Talking to a tree hugger is like holding a friendly conversation with the IRS. They are always right, you are always wrong and it will cost you a bunch of money.
Maybe people who like a clean environment would respect you more if you didn't stereotype them as tree-huggers. I personally hate trees, they just block the view. Doesn't mean I want to cut them all down though, I live in the desert instead. Of course there is a balance between economics and a clean environment, I don't think you'll find anyone preaching to ban all cars and industry. But we can all do better with very little sweat off our backs.

Check this out if you don't believe that waste oil on the ground is causes problems.
This from an Environmental Protection Agency Damage Report not some tree-hugger website
http://pwp.lincs.net/sanjour/Damage2.htm

Dioxin Poisoning Caused by Improper Waste Disposal in Missouri

Personal Damage - Toxic illness of varying degrees affecting ten persons. The worst illness occurred in a six-year-old girl who suffered an inflammatory reaction of the kidney and bladder bleeding, requiring hospitalization and surgery. Less severely affected persons developed diarrhea, headaches, nausea, polyarthralgias, and persistent skin lesions.

Environmental Damage - Contamination of the soil with an extremely toxic substance in three horse arenas and a farm road. The death of six dogs and twelve cats.

Economic Damage - The death of 63 Appaloosa and quarter horses, which resulted in loss of business and subsequent sale of one of the horse arenas. Also, medical expenses and cleanup costs. The estimated total financial loss, based on filed lawsuits (excluding punitive damages), is close to $500,000.

Cause of Problem - Contact with soil containing 2,3,7,8-tetrachlorodibenzodioxin (TCDD, commonly referred to as dioxin), a contaminant in waste oil which was sprayed in three horse arenas and a farm road as a dust control measure.

Maybe you need to read that article better, that is not just drain oil, it was contaminated.

Originally posted by Haulin_in_Dixie
Maybe you need to read that article better, that is not just drain oil, it was contaminated. Just like any waste oil is.
I'm done with you. If you feel an animal who craps in it's own nest is doing right thing more power to you. All you're doing is trying to justify something you know in your heart is wrong.

I have the same questions for my truck, as I figured the oil is already paid for and a reasonable person would think to filter the stuff before using it. The fuel filter is supposed to clean out the crud down to whatever particle size the injector pump is able to handle and I would think that espessially with winterized fuel ( less oil ?) the increased lubrication and burnability would help with fuel mileage. To each thier own and in my case, it's going into the fuel tank.

Originally posted by infidel
Just like any waste oil is.
I'm done with you. If you feel an animal who craps in it's own nest is doing right thing more power to you. All you're doing is trying to justify something you know in your heart is wrong.

Hey, not a big deal, my mother left when I was 18 months and I was a bad kid so my father "disowned" me. I can live with it. Such is life, enjoy it, I am.

I learned to read quite a bit and have a fairly good comprehension. The article was about oil that was stored in tanks that had another chemical in them and caused instant pollution that killed animals and the soil had to be removed. I will repeat the earlier post.

" Talking to a tree hugger is like holding a friendly conversation with the IRS. They are always right, you are always wrong and it will cost you a bunch of money.

People like me would be a lot more receptive if the tree huggers came down to earth and considered the real facts and used some reality. You can get a web site to say anything you want they are out there."

If you used true facts and figures and not trumped up BS figures and articles that have nothing to do with the issue, the masses of intelligent people would be much more receptive.

Our water system is fed by a series of wells and happens to be about the cleanest quality of water in the state. If you would like I can supply the annual testing stats. Did you even consider the pollution that was created when a continent was destroyed, thousands of ships sunk, whole cities burned. You might consider that the government studies have determined that cows exhaust system is the largest polluter and by far the largest methane emissions that are very harmful to the ecology.

Volcanoes put thousands of times the particulate matter into the atmosphere than any other source. If you used these true facts and real facts about pollution instead of the lies and exaggerations you use to prove your point, there would be more involvement by the masses. Instead we have to put up with twice the fuel burned to conserve, and particulate filters on diesels.

I never once said that it was good to dump oil. It is not, but there are other issues as important.

Now the point of the thread, no, burning used oil has no real effect on the filter life. Which in itself shows that there is not much problem with burning used oil in a reasonable quantity.

Originally posted by Lurch519
I have the same questions for my truck, as I figured the oil is already paid for and a reasonable person would think to filter the stuff before using it. The fuel filter is supposed to clean out the crud down to whatever particle size the injector pump is able to handle and I would think that espessially with winterized fuel ( less oil ?) the increased lubrication and burnability would help with fuel mileage. To each thier own and in my case, it's going into the fuel tank.
Have you ever seen a magnet in used oil? Like in the bottom of the oil pan of an engine or transmission? That fuzz that sticks to the magnet is metal shavings. The same metal shavings the will attach to your lift pump magnets, and get into the motor shaft bearings and grind them up. Our stock lift pumps are cooled by the fuel they are pumping. The contaminated fuel flows through the ENTIRE pump (motor and all) PRE FILTER!! :eek:

If you want to run waste oil in your truck knock yourself out, but if you take a LP apart after you run 20 gals of waste oil in it and you will never do it again. If your LP lasts that long.


Infidel and Dixey, I want you to go to seperate corners and sit for an hour, then come back and kiss and make up! [eyecrazy] ITS CHRISTMAS TIME MAN!

This is an old thread, but it popped up as I was researching a recent project. I believe Haulin' is mostly right, and anyone who uses "seems to me" frequently throughout their posts isn't speaking from experience OR actual knowledge. Anyway, couple of things:

1) The oil filter on your engine is rated around 17-20um (microns). Diesel soot (the stuff that makes the oil black, for the most part) runs arouns 1um. So the oil you drain from the pan does not have anything big enough in it to cause much harm to a fuel filter, to start with.

2) Any metal found in "normal" used oil is not filings, shavings, or even anything that can be seen with a microsocope. As was said, you have other bigger issues, that being the case. The wear metals from bearnigs, rings etc, are literally dissolved into solution in the oil and can only be seen through oil analysis. They're basically liquified.

But, if your're a paranoid, anal perfectionist you can very cost effectively and finely filter it before dumping it in the fuel tank. Follow this thread for details and future updates:

http://www.dieseltruckresource.com/dev/showthread.php?t=33249

Aside from the foreign material in used oil, and premature filter clogging, It has been proven by major engine mfg's that running used oil in your fuel will contribute to shorter injection pump plunger and barrel life as well as injector life due to the acidity in the used oil. In time, the acidity in used oil can and will erode machined metal to metal surfaces in your fuel system.

We have been burning it on the farm for a couple of generations. It goes into the bulk tank (500 gal.) then when pumped goes through a 10 mic. fuel/water seperator and then a 7 mic. fuel filter. We have not ever had any problems but I rarely run it in the new truck.( seems like a bad idea on a caytalitic converter equipped anything)
Joe

This is an old thread, but it popped up as I was researching a recent project. I believe Haulin' is mostly right, and anyone who uses "seems to me" frequently throughout their posts isn't speaking from experience OR actual knowledge. Anyway, couple of things:

1) The oil filter on your engine is rated around 17-20um (microns). Diesel soot (the stuff that makes the oil black, for the most part) runs arouns 1um. So the oil you drain from the pan does not have anything big enough in it to cause much harm to a fuel filter, to start with.

2) Any metal found in "normal" used oil is not filings, shavings, or even anything that can be seen with a microsocope. As was said, you have other bigger issues, that being the case. The wear metals from bearnigs, rings etc, are literally dissolved into solution in the oil and can only be seen through oil analysis. They're basically liquified.

But, if your're a paranoid, anal perfectionist you can very cost effectively and finely filter it before dumping it in the fuel tank. Follow this thread for details and future updates:

http://www.dieseltruckresource.com/dev/showthread.php?t=33249

I'd have to agree with that (what I was thinking) So many have argued that it's bad for the fuel system cause it's acidic, ect, this and that. However you have to remember this oil is in your motor, lubricating the crank, cam, rods, ect. If your worried about the oil ruining your injection pump, you should be more worried about the engine itself. While I'm not sure if the cam/crank has tighter tolerances than the fuel system, the oil still has the "contaimants" in it, so if it's bad for the fuel system, it's bad for the engine, again all this wear metal is in there on the rods ect. I've seen fuel pumps wear out, but almost never an oil pump. Again I recycle mine for the fact that it gets refiltered, ect (I don't have an issue pouring it into my 100 dollar lawn mower) [coffee] I use it till it's up.

As far as what's recomended, a quart per 25 gallons I would think is fine, although i would add what I normally do for fuel treatment (8oz every tank) this is almost nothing but still something.

I have always gone by Cummins recommendations of 5%. In the earlier engines, detroits I used 10% and never had a problem. Get to much in and the engine will start to knock and bang at idle. Since Gorbal warming Cummins no longer publishes the WO percentages but I am using the same engine as when they did. Also unless they have changed them, my filters are 10 micron. On the Fass system I use 5 micron.

On todays fuel my Freightliner will start running rough and sounding crappy, adding either fuel conditioner or a couple gallons of WO and it will smooth out.

Something interesting I recently ran into and don't have the time now but I can supply the site, wholsalers of fuel have been adding waste oil to the 500 ppm fuel that you buy at the pump. They can no longer do that legally on the ulsd.

My oil gets changed at a dealership, so I don't have a chance (and don't think I would if I did) to run used oil.

I DO run TCW-3 2-stroke oil at roughly 1oz per gallon for the reason of making my pumps last LONGER.

Engine Oil isn't designed to burn, but TCW-3 sure is!

I run around 10 gallons per fillup, I tried 15 gallons, and ended up puttin in 50 dollars worth of diesel into the tank at 4.02 US a gallon, and it started to run really really rough with alot of blue smoke and no power. Replaced the fuel filter and it runs great now. On straight #2 I would change out the fuel filter every 10K and now I average about 8K on fuel filters now, and with fuel at 4 dollars a gallon now, If I put 10 gallons in a week and fill up 4 times a month, that's savin me $160 US a month, and I've been runnin WMO for about almost 30K now with only that one hiccup. So I'm gonna keep on doin it.