Used oil for fuel?

Lowly · Mar 22, 2011

Have any of you guys tried filtering your used motor oil and then mixing it with diesel to run in farm tractors? Does anyone know what you need for filters? Any engine safety concerns? Thanks.

kyhayman · Mar 22, 2011

Diesel is expensive but pumps and injectors a lot more so. What it would save is not, to me, worth what it would potentially cost in repairs and lost production.

Anonymous-0 · Mar 22, 2011

don't get reckless, because it works so well and then randomly start using used oil from everyone,, you will have fuel filter problems if you get to over zealous ,,,. but . for 40 yrs i have been told that local concrete trucks mechanix routinely changed oil and would immediatly add that oil to a nearly full tank of fuel .. never do this on a cold motor, and it is best that the motor run an hour to mix well before shutdown..

Anonymous-0 · Mar 22, 2011

I would only try it in summer.

buickanddeere · Mar 22, 2011

How much and what do you expect to gain?

gene bender · Mar 22, 2011

Why would you even think about putting something in your engine that could cause big money. I hear horror stories about someone saving a few bucks only to spend big money later on.

Anonymous-0 · Mar 22, 2011

Alot of people are using used engine oil and used atf with good results. They run them through a centerfuge to remove moisture and fun through a series of filters down to one micron. During the summer they are running straight atf. I ran one tank through my 94 ford non power stroke. Did not feel any difference in power and had less smoke.
-Ben

dej(Jed) · Mar 22, 2011

Used engine oils could bring with it a lot of problems.Typically the used oil would contain a fair amount of wear metals and that could cause
extra engine cylinder and head wear. Filters would have to be less than 10 micron even then you might encounter chemical differences.

Anonymous-0 · Mar 22, 2011

A lot of large equipment users install Oil Renewal Systems (ORS) on their equipment that take oil and inject it in small quantities into the fuel tank. The resulting mixture is usually kept at 2% or below. This is all accomplished with a special metering valve and software. So you can run used oil however I would keep the mixture very low and if not using an ORS system I would pre-filter the oil. And the main reason these companies use ORS system is because of the costs associated with disposing used oil. Many of these large off highway trucks have 100+ gallon sumps, thats a lot of oil to dispose. Also by doing an oil analysis you'll find the oil is "cleaner" throughout its life since you have to constantly replensih the oil removed with clean oil. This is good for engine components since the oil is never reaching the condeming limits, you can go 3-4K hours before a full oil change. Oil & Fuel Filter changes are still maintained a regular service intervals. Analysis of injection components has shown no ill effects at these levels.

DoubleR · Mar 22, 2011

Just the fact that my tractor may not run or the hassle of having to mess with it when I need it would be enough to make me not even consider it. Nothing I hate more is a tractor that won't run right when I got a job to do with it or when it quits half way through.

NEKS · Mar 22, 2011

Had a trucker buy fuel from me and his truck started smoking a little. Pulled a fuel sample and on the bottom of his fuel tank was used oil. Took his truck to have the oil changed and they must of dumped the use oil into his fuel tank.

mkirsch · Mar 22, 2011

The price of fuel has really got people in a panic, eh?

Next thing you'll see is, "I've got oily skin, can I mix it with my diesel fuel?"

teddy52food · Mar 22, 2011

If you have enough junk in the oil to cause piston & head wear, You have a real problem.

Michael Soldan · Mar 22, 2011

Many large trucking companies use oil recycle systems to filter used oil and mix it with diesel.The oil component adds to the potential energy of the fuel.If you have ever thrown used oil on a brush fire you will know what energy it is capable of producing.Trucking firms have been doing this for years,its not a new fad because of fuel prices it is standard practice of making the most of resource management.Google oil reclamation systems and see the set ups,easy to build one of your own,pump filter and container.

buickanddeere · Mar 22, 2011

The problem with burning used oil is the mineral and metal ash deposits when oil addivies are burned.
Additives can no more be particulate filtered from oil than salt from sea water.

tomNE · Mar 22, 2011

been doing it for yrs. only trouble is using the tractor in the winter. I ran for a couple major trucking companies before the clear/farm seperation and they pumped the used oil right into the fuel tanks. with the new dry diesel fuel, i've got to run soydiesel or it galds the pump, anyway. If you ever seen the junk they make diesel fuel from, used oil is cleaner then 95% of it.

John M · Mar 22, 2011

Some of the big road trucks shoot it straight into the fuel.

ohiojim · Mar 22, 2011

just for the record,..they do filter salt from sea water

Michael Price · Mar 22, 2011

Ive sure thought about doing it. Only thing is I could buy alot of fuel for $1000 and thats about what a injection pump would cost. If I could find cheap injection pumps Id run it for sure.

T_Bone · Mar 22, 2011

Caterpillar & Cummings both have a used oil burner system for there OTR engines. The system was developed and in use about 2000.

The system would siphon off a small about of used engine oil and burn it in the engine as fuel, then replace that oil with a 5gal on-board fresh oil source. They would only change OEM oil filters every 25k and a complete oil change at 100k miles.

They said they no problems and the system worked very well.

T_Bone

Anonymous-0 · Mar 22, 2011

www.dieselsecret.com for what it is worth.

buickanddeere · Mar 22, 2011

On the listerengine.com site. There are some characters that burn waste oil with varying degrees of success.

John M · Mar 23, 2011

I have seen some reviews stating it works, but if you follow the directions, you really dont need it!

Used oil for fuel?

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