Hello,

Just wondering if anyone ever mixes brand new high quality motor oil with there # 2?

Seems to me that oil would mix with diesel rather easy, burn well, provide lubrication and also even more power.

I guess a draw back might be nozzle coking or other buildup.

People here have mentioned using 2 cycle oil and also tranny oil, so I thought I would see if anyone uses motor oil .

Have you mixed it in your fuel if so, what ratio and what were the effects?

For starters how clean would that oil burn? What would it gunk up?

2 stroke oil is meant to burn in combustion. Motor oil is not. (I still wouldn't use 2 stroke oil)

Why not just use additives that are designed for this very application to add lubricity?

I've never understood people desires to mix things with their diesel because 'someone told them to'.

I think some of us have a desire to find the "mystery additive"

The one that actually makes all of the claims come true.

What prompted me to make this post was a show I just watched for the second time. Modern marvels gasoline tech. It basically showed that when refining crude, it goes gasoline, kerosene,diesel,lubricationg oil then tar.

So diesel only has slighty less carbon molucules then lubrication oils.

I thought I would put a feelre out and see if anyone uses motor oil on a regular basis.

This would also be grounds for filtering used motor oil and running it in with diesel. A good way to recycle.

As far as additives I am using biodiesel at 20% it is the best lubrication and cetane I could ever add.

Bronco, I'm with you on this... I think it would be a very good idea to find a way to run our trucks on a mixture of some sort, to reduce the fuel cost, since diesel is only going to go up in price... FAST!!

Dan

I seem to recall that some over the road diesels have an optional system that continuously removes small quantities of motor oil from the crankcase and adds it to the fuel. A pump replaces this oil to the crankcase with a like quantity from a fresh motor oil supply tank. The whole idea is not to improve the fuel, but to continuously change the oil in the crankcase over time, eliminating the need to stop for oil changes (you would still need to change filters).

I think the motor oil in the fuel, in small quantity, does no harm, but I am not sure if it does any good.

I have been in the maintenance business for over 35 years but not for one minute have I thought I was smarter than a chemical engineer. The military have multi-fuel engines but they are not so simple in design that you can just dump anything you want in the tank and go. K1xv, please post a link on the data in your post. Later! Frank

I have read the exact same thing he said about the replacement oil. Can't remeber whre though?

I think some of us have a desire to find the "mystery additive"

The one that actually makes all of the claims come true.

What prompted me to make this post was a show I just watched for the second time. Modern marvels gasoline tech. It basically showed that when refining crude, it goes gasoline, kerosene,diesel,lubricationg oil then tar.

So diesel only has slighty less carbon molucules then lubrication oils.

That was an oversimplification for TV. There are several cuts between light gasoil (the straight run blendstock for diesel fuel) and lube oils. To explain what they are would mean talking past the 15 sec typical attention span of the viewer, so they ignored them.

Lube oils have initial boiling points well past the endpoint of #2 diesel.

Two stroke oil is cleaner to burn better, but do you really want the deposits you get with a two stroke?...on your turbine?, cat, egr, etc?

K1xv, please post a link on the data in your post. Later! Frank
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See the second topic on this page

http://www.heavydutytrucking.com/2002/06/086a0206.asp

Here is a brochure about the product

http://www.oilmate.com/html/oilmate_brochure.pdf

This would also be grounds for filtering used motor oil and running it in with diesel. A good way to recycle.


a buddy of mine has a waste oil heater we use for recycling :)

Bronco, I'm with you on this... I think it would be a very good idea to find a way to run our trucks on a mixture of some sort, to reduce the fuel cost, since diesel is only going to go up in price... FAST!!

DanDuring the energy crunch in the 70's some trucking companies were doing exactly that. I don't think it panned out as a smart thing to do or they would be still doing it. I think the possible benefits are far outweighed by the possible detrimental effects. Not saying there would be any, just it might be an expensive experiment.

I've heard of several people using ATF as a fuel additive. It's low viscosity promotes easy flow, and has plenty of detergents to clean things up. I tried it a few times on an old 6.2 that I had, put in 1 quart per tankfull. Couldn't really tell any difference, but that engine was also pretty worn. I'd rather not try it on a Dmax, the high pressure common rail system is pretty sensitive, and if you look at the injectors cross eyed they'll dump fuel in the crank case, no telling what will happen if you run ATF through them:eek:

My neighbor is a mechanic for a trucking company running nearly 30 trucks. They will mix the used oil into the diesel fuel no more than 10%. This is not really for additional lubing or stretching fuel, rather as a means to get rid of the old motor oil. He states that they will smoke more and power/mileage is barely changed.

Personally, I wouldn't run used oil through my engine knowing the amounts of heavy metals and contaiminates that oils can contain, especially when used for thousands of miles.

Don't let anybody catch you doing that. Used oil is a hazardous waste, and you need to be certified to dispose of it. You truck engine is not a certified waste disposal facility. Technically, you are breaking federal law...not likely to get caught, but still, the liability is there.

I have wondered how long it will be before the EPA outlaws waste oil heaters for the reason of the heavy metals going into the air. There must be bearing material (lead) which we all know is way up on their list of baddies. Like Harleycb, I wouldn't want old oil with lots of contaminants going through my injection system or combustion chambers.

I don't know about running 2 stroke oil in my truck. But I know the exhastport on some of my 2 stroke equipment need to be cleaned out ever few months. Also the spark arester screen will get cloged in few weeks. The newer trucks with cats would get cloged up like that too.

I mixed a quart of 2 stroke oil with my diesel fill ups for many years! Conclusion: No harmful effects contrary to some opinions, also no clear benefits! I concluded it was unnecessary and gave up the practice!