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#1690845 - 12/01/09 12:21 PM 2T oil in Diesel to improve lubricity
drop Offline


Registered: 07/21/03
Posts: 13
Loc: Mexico
I`ve been reading about 2 time engine oil in diesel (1:200) to improve lubricity on new ULSD, has any one known about this practice?

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#1690901 - 12/01/09 01:04 PM Re: 2T oil in Diesel to improve lubricity [Re: drop]
Cup of Joe Offline


Registered: 01/16/06
Posts: 1797
Loc: United We Stand
http://www.johnfjensen.com/Diesel_fuel_additive_test.pdf

Used oil at 200:1 should no improvement.
_________________________
2011 Ford Ranger 75K dealer installed Motorcraft 5W-20, M1 ATF in the manual trans, M1 Gear lube.

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#1690915 - 12/01/09 01:23 PM Re: 2T oil in Diesel to improve lubricity [Re: Cup of Joe]
McKittrick Offline


Registered: 06/01/05
Posts: 189
Loc: Central Texas USA
In Mexico two stroke oil is called dos tiempo 2T

Two stroke oil (wal mart TC-W3) tested in the pdf linked above as having a fairly good reduction in wear scarring of 162 micron reduction at a cheap cost of $1.09 per tank. With the caveat that it is not recommended for 2007 or newer.

I use a mixture of two stroke oil, and stanadyne (which did not show wonderful wear properties in this test).


Edited by McKittrick (12/01/09 01:24 PM)

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#1690966 - 12/01/09 01:55 PM Re: 2T oil in Diesel to improve lubricity [Re: McKittrick]
Cup of Joe Offline


Registered: 01/16/06
Posts: 1797
Loc: United We Stand
Well paint me red and call me Charlie.

I use TCW-3 in my tractor even though its off road diesel.
_________________________
2011 Ford Ranger 75K dealer installed Motorcraft 5W-20, M1 ATF in the manual trans, M1 Gear lube.

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#1690973 - 12/01/09 02:02 PM Re: 2T oil in Diesel to improve lubricity [Re: Cup of Joe]
McKittrick Offline


Registered: 06/01/05
Posts: 189
Loc: Central Texas USA
I have been using the TC-W3 in the diesels for a while, and now I pour about 3 ounces in each tank of the gasoline engined cars too.

My dad used to buy top end lube when I was a kid, so I guess I am using the 2 stroke oil for that purpose on the gasoline engines(so far I haven't seen the mpg magic the Tc-W3 posts were showing and I have not tried running MMO instead) and to help lubricity on the diesel.

Thanks for the link on that test of lubricity.


Edited by McKittrick (12/01/09 02:09 PM)

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#1691348 - 12/01/09 06:41 PM Re: 2T oil in Diesel to improve lubricity [Re: McKittrick]
drop Offline


Registered: 07/21/03
Posts: 13
Loc: Mexico
Good to read here are users of this metod, I`ve been using it for the first time in my last refill, I heard and feel it smoother, I`ll do the 500ml next time, I used 350mm about, for 75 liters of fuel. Found another post talking abut it in diesel fuel forum, very crowded!
It is nothing old, old truck drivers use something similar, they use engine oil on every refill of diesel, for the pump and injectors to lub better, but is the firs time I read about 2Cycle oil, That is how it is name in english.
I`ll high the dose!

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#1691352 - 12/01/09 06:44 PM Re: 2T oil in Diesel to improve lubricity [Re: drop]
drop Offline


Registered: 07/21/03
Posts: 13
Loc: Mexico

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#1692068 - 12/02/09 06:10 AM Re: 2T oil in Diesel to improve lubricity [Re: drop]
Cup of Joe Offline


Registered: 01/16/06
Posts: 1797
Loc: United We Stand
This has been discussed widely mostly for gas engines, but diesels as well. I am using it in my tractor because some units left the factory with a composite plastic gear in the injection pump that fails around the 300-400 hr mark. There are not allot of units that have had this particular failure. But its always better safe then sorry so I am using it even in offroad non-ULSD diesel. If I have to buy Diesel at the local retailers it is all ULSD so I would rather have 2C oil in the tank already.
_________________________
2011 Ford Ranger 75K dealer installed Motorcraft 5W-20, M1 ATF in the manual trans, M1 Gear lube.

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#1698522 - 12/07/09 02:56 AM Re: 2T oil in Diesel to improve lubricity [Re: Cup of Joe]
azsynthetic Offline


Registered: 06/01/07
Posts: 1221
Loc: Phoenix AZ
I am running 8oz of synthetic 2T oil per fill up in my Golf 1.9L TDI for the past 75K miles. I got better mileage (~ 2mpg) and no problem that I can see or detect.

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#1804711 - 03/05/10 10:09 AM Re: 2T oil in Diesel to improve lubricity [Re: azsynthetic]
Oldwolf Offline


Registered: 09/22/05
Posts: 993
Loc: Cary, NC
I run a 200:1 ratio of TCW3 in my MB.
_________________________
2005 Prius: Mobil 1 Blend (50%)0W20+(50%)0W40
2012 Prius C: Toyota 0W20

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#1807564 - 03/07/10 04:55 PM Re: 2T oil in Diesel to improve lubricity [Re: Oldwolf]
Steve S Offline


Registered: 01/20/03
Posts: 18449
Loc: East of IGO
I use 2t oil in my wifes 2002 Powerstroke diesel as recommended by the injector shop people.
_________________________
Why do people post I want the best for my car,,, When there isn't anything that is the best on the car to begin with.

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#1835100 - 03/28/10 02:53 PM Re: 2T oil in Diesel to improve lubricity [Re: Steve S]
JHZR2 Offline



Registered: 12/14/02
Posts: 33622
Loc: New Jersey
I use this amongst other things in my diesels and gassers. The wal mart tcw3 oil stinks like kerosine partially burning, so I've found it unsuitable for my use, where oil is kept in the trunk for treatment. I run pennzoil and amsoil, as they don't stink and offgas as much.

I do like to change adds often to get various cleaning properties of each, but a watersport tcw-3 oil is a good choice. Is 200:1 the best option? Maybe, maybe not...

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#1868892 - 04/23/10 10:30 PM Re: 2T oil in Diesel to improve lubricity [Re: Cup of Joe]
Pablo Offline


Registered: 10/28/02
Posts: 46628
Loc: Duvall WA - Pacific NW USA
Originally Posted By: TaterandNoodles
http://www.johnfjensen.com/Diesel_fuel_additive_test.pdf

Used oil at 200:1 should no improvement.


Actually there was decent improvement and good value for the buck. I'm thinking try a different 2T oil and lower the ratio a tad, use it with some biodiesel....wholly shebang!

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#1886456 - 05/10/10 04:27 PM Re: 2T oil in Diesel to improve lubricity [Re: Cup of Joe]
DesertDually Offline


Registered: 06/17/08
Posts: 54
Loc: Arizona, USA
Originally Posted By: TaterandNoodles
http://www.johnfjensen.com/Diesel_fuel_additive_test.pdf

Used oil at 200:1 should no improvement.


I question this test because they used the old oil at such an incredibly low ratio. Most folks I know, run 2 gallons of it per 30 gallon tank, not a measely 16 ounces!!! At even 1 gallon per tank, it would save you 4 .50 in cost of the Stanadyne (which was directly above the used oil in the test results) while providing the same (if not higher) lubricity boost. Also saving you the cost of the gallon of diesel fuel it displaces in the fuel tank. Engine runs just fine on this. The GM 6.5 turbodiesel is the only diesel engine I know of that you CANNOT run used oil in. This engine comes with an optical sensor in the fuel pump, there may be other engines that use these, I dont know.
_________________________
'07 Dodge Ram 3500 4x4 5.9 CTD
'03 Kawasaki KLX400,'00 Kawasaki ZX12R
'94 GMC Sonoma 4.3 5m
'78 Mercedes-Benz 300 CD
'70 Case 580 Construction King

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#1898823 - 05/21/10 03:10 PM Re: 2T oil in Diesel to improve lubricity [Re: DesertDually]
bullwinkle Offline


Registered: 10/09/04
Posts: 4018
Loc: Cincinnati, OH, USA
Originally Posted By: DesertDually
Originally Posted By: TaterandNoodles
http://www.johnfjensen.com/Diesel_fuel_additive_test.pdf

Used oil at 200:1 should no improvement.


I question this test because they used the old oil at such an incredibly low ratio. Most folks I know, run 2 gallons of it per 30 gallon tank, not a measely 16 ounces!!! At even 1 gallon per tank, it would save you 4 .50 in cost of the Stanadyne (which was directly above the used oil in the test results) while providing the same (if not higher) lubricity boost. Also saving you the cost of the gallon of diesel fuel it displaces in the fuel tank. Engine runs just fine on this. The GM 6.5 turbodiesel is the only diesel engine I know of that you CANNOT run used oil in. This engine comes with an optical sensor in the fuel pump, there may be other engines that use these, I dont know.
Personally, I'd be a little scared to run used motor oil in a CR or Powerstroke diesel myself-but an older mechanically injected fuel system is much more forgiving, & I run 200:1 TCW-3 in both my Stanadyne IP equipped engines, the 6.2 GMC & the 7.3 IDI Ford.
_________________________
06 Ram 3500 CTD 4X4 48RE SRW, 93 GMC C3500 6.2 diesel, 89 F-450 7.3 IDI, 98 Cherokee 4.0, 05 Scion xB, 82 Mercedes 300D, company van 12 Ford E-250 4.6

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#2396287 - 10/04/11 05:44 PM Re: 2T oil in Diesel to improve lubricity [Re: bullwinkle]
2cool Offline


Registered: 07/13/11
Posts: 428
Loc: Delaware
I run 1oz/gal. in my 7.3 Ford and VW TDI. The butt dyno says it idles smoother, seems to rattle less under load up a hill, but has no measured effect on economy. I do it because I AM A BITOGER!!!!!!

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#2741292 - 09/11/12 11:37 PM Re: 2T oil in Diesel to improve lubricity [Re: drop]
FrankieFX Offline


Registered: 09/11/12
Posts: 8
Loc: Ontario
Running used motor oil with in diesel is terrible idea. No profit generating company would ever conceive the notion.

Diesel engine use high pressure in the injection system to maintain efficiency and risking clogging these with contaminants and metal particles is bad idea.

Also the HFRR lubricity test with used motor oil shows almost no benefit.

I worked with oil and gas companies that run diesel engines 24-7 at full load and consulted on reliability. There are companies producing plant derived anti-friction esters that perform with 55% score at crazy ratios of 200 ppm. That a 1/4 oz per 10gal and this is what is being used in big heavy industry.

Also using motor oil in a diesel engine will increase cylinder and exhaust heat. Potentially 5-10% due to the slow burn. Friction additive in motor oil do not burn well and will deposit. 2-cycle additive are very different and would be better choice between the two.

Throwing a big mess in your fuel also reduces fuel economy. The less you goo it up the better output you will get. Oxygen needs to move trough your fuel droplets, otherwise you get a pyle of soot.

There is company call Lubriflux and their main product is DieselFlux. Its being used on petroleum rigs and by far the most lubricative product we tested. It was 1oz per 10gal but cut component wear in half. I'm not sure if they sell to the public but might be some thing to check out.
_________________________
Nissan 350Z - Red Line 5w30
Chevy z24 - Valvoline high mileage 5w30
Puch maxi moped Lubriflux 2charge 2-cycle

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#2741620 - 09/12/12 11:25 AM Re: 2T oil in Diesel to improve lubricity [Re: FrankieFX]
bullwinkle Offline


Registered: 10/09/04
Posts: 4018
Loc: Cincinnati, OH, USA
Looked up the Diesel Flux-$250 per GALLON!?! I'll never complain about the price of Power Service nor MMO ever again!! At that price, injectors would be cheaper!

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#2769359 - 10/11/12 01:05 AM Re: 2T oil in Diesel to improve lubricity [Re: drop]
AVB Offline


Registered: 05/20/12
Posts: 789
Loc: Georgia
I have been told that hydraulic fluid is a good diesel additive. They claimed it adds sulfur to the fuel. This is third hand information supposedly recomended by a well known diesel shop.

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#2963933 - 04/05/13 10:56 PM Re: 2T oil in Diesel to improve lubricity [Re: drop]
morris Offline


Registered: 08/24/08
Posts: 3681
Loc: ks, wichita
the test by the diesel place. is not done well in my opinion. 1. each lube is used at a different ratio. 2. then at the end this is,posted.::::::::::::::::::::::::::::::::::::::::::::::::::::::::

Products 16 through 19 were found to cause the fuel/additive blend to
perform worse than the baseline fuel. The cause for this is speculative. This
is not unprecedented in HFRR testing and can be caused by alcohol or other
components in the additives. Further investigation into the possibilities
behind these poor results will be investigated.
Any additive testing within +/- 20 microns of the baseline fuel could be
considered to have no significant change. The repeatability of this test allows for a
+/- 20 micron variability to be considered insignificant.
::::::::3. is speculative.? 4. and the test is done with a ball bearing. not pistons, valves ect. in my opinion the test has meaning only in very narrow range of material.

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#2963993 - 04/06/13 01:49 AM Re: 2T oil in Diesel to improve lubricity [Re: AVB]
Shannow Offline


Registered: 12/12/02
Posts: 26496
Loc: a prison island
Originally Posted By: AVB
I have been told that hydraulic fluid is a good diesel additive. They claimed it adds sulfur to the fuel. This is third hand information supposedly recomended by a well known diesel shop.


sulfur isn't the issue, it's the things that are taken out, or molecularly changed when the fuel is desulfurised.

I can send you a block of elemental sulfur, incidentally, it was most probably obtained from desulfurisation of oil at a refinery...which has dropped the price to only a couple of hundred bucks a tonne

edit...just for interest, the cockatoo yellow mountains of sulfur at refineries are pretty amazing...look at link for a pile of prilled sulfur, bigger than football fields.

http://www.airphotona.com/image.asp?imageid=3874



Edited by Shannow (04/06/13 01:57 AM)

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#2970741 - 04/12/13 04:53 PM Re: 2T oil in Diesel to improve lubricity [Re: FrankieFX]
skellyman Offline


Registered: 03/04/12
Posts: 362
Loc: Mo.
Originally Posted By: FrankieFX
Running used motor oil with in diesel is terrible idea. No profit generating company would ever conceive the notion.

Diesel engine use high pressure in the injection system to maintain efficiency and risking clogging these with contaminants and metal particles is bad idea.

Also the HFRR lubricity test with used motor oil shows almost no benefit.




I think it odd Cummins offers the Sentinal system on it's Diesels, it puts used oil in the fuel system an adds new fresh HDEO to the engine from a tank.
Will wonders never cease.




Edited by skellyman (04/12/13 04:57 PM)
_________________________
I sold and used Skelly Supeme an Supreme Plus
Now I use Mobil Oils
99 Dodge I-6 Delvac 15w40
01 PT Cruiser Mobil Super 5w30

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