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#3299471 - 03/02/14 05:15 PM Re: Adding lubrication to diesel [Re: Donald]
UrS4 Offline


Registered: 07/30/13
Posts: 17
Loc: Denmark
Originally Posted By: Donald
Originally Posted By: UrS4
Don't think you should ad any oil unless you have a very shi*tty injection pump or injectors.
But I have heard that vegetable oil should be good for additional lube in diesel systems, eg. canola or sunflower. Maybe a castor based 2t oil will be really good too.

cheers!


OK, but you are in Denmark, so do you really know the history of diesel fuel in the USA? You have injector pumps made before they went to ULSD. I think before that it was just low sulfur.

The Bosch VP44 is an excellent injector pump but is sensitive.


How many ppm of sulphur is the standard in the us? In europe we have maximum 10 ppm.
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#3299865 - 03/03/14 06:20 AM Re: Adding lubrication to diesel [Re: UrS4]
Number21 Offline


Registered: 10/23/13
Posts: 230
Loc: OR
The EPA asked the engine manufacturers association what the wear spec should be, and then went with a worse number. You are almost guaranteed longer pump/injector life by using an extra lubricant.

It's one thing for a modern engine but something old definitely has to have some lube.

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#3303101 - 03/06/14 08:46 AM Re: Adding lubrication to diesel [Re: Number21]
krismoriah72 Offline


Registered: 02/16/09
Posts: 141
Loc: wv
My local jobber that i buy fuel from told me a couple of years ago that the 'winterized' diesel is 10% or more kerosene.

Factor that in with ULSD and in older diesels you almost have to add lubrication.

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#3386755 - 06/02/14 06:53 AM Re: Adding lubrication to diesel [Re: 2hellandback]
Cujet Online   content


Registered: 02/15/03
Posts: 4177
Loc: Jupiter, Florida
I sent samples of Jet fuel out for HFRR lubricity testing and learned quite a bit about what actually works. (below by memory)

Jet A = 650 microns wear scar (larger number is worse)
Jet A with stanadyne lubricity additive = 450
Jet A with Stanadyne and 100/1 TCW-III = 220

It's generally considered that a wear scar of 460 or less is acceptable for diesel fuel.

Clearly, TCW-III at 100/1 works quite well.
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#3387964 - 06/03/14 04:14 PM Re: Adding lubrication to diesel [Re: krismoriah72]
ironman_gq Offline


Registered: 04/30/14
Posts: 134
Loc: MN
Originally Posted By: krismoriah72
My local jobber that i buy fuel from told me a couple of years ago that the 'winterized' diesel is 10% or more kerosene.

Factor that in with ULSD and in older diesels you almost have to add lubrication.



Cold winter blends are often a mix of #1/#2 for cheaper blends, up to 50/50. Better fuels do it with additives and you can generally tell the difference in how the truck sounds with the different fuels.

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#3390255 - 06/05/14 11:38 PM Re: Adding lubrication to diesel [Re: 2hellandback]
yvon_la Offline


Registered: 05/20/14
Posts: 740
Loc: quebec canada
ya ulsd feul is a problem ,and no biodieseldidnt fix the problem (unless you live in Canada witch ask for 2% bio.not ideal but way better then the 20 % you see in usa!methyl ester is hard on engine but it make the economy turn since diesel component always break
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Truck driver
Nissan versa note s 2014
Mechanicly inclined

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#3392514 - 06/08/14 08:32 PM Re: Adding lubrication to diesel [Re: yvon_la]
whizbyu Offline


Registered: 12/19/12
Posts: 132
Loc: Carolinas
If you add 2 stroke oil to your tank, and it burns completely, wouldn't the burnt 2 stroke oil's particles mess up the diesel particulate filter in the exhaust system?

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#3393799 - 06/10/14 09:15 AM Re: Adding lubrication to diesel [Re: 2hellandback]
yvon_la Offline


Registered: 05/20/14
Posts: 740
Loc: quebec canada
ulsd in usa is 15 part per million (as per regulation ,and in a lot of state bio is set at 20% wich is a huge problem .yep there is such a thing as too clean in engine techno.but around 1% is perfect ,and no you cant be at 0% yes physicly you can you ll have ton of issue even today ,at around 1 or 2% tho you are right in the sweat spot
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Truck driver
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Mechanicly inclined

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#3399366 - 06/16/14 10:22 PM Re: Adding lubrication to diesel [Re: 2hellandback]
minis Offline


Registered: 12/02/12
Posts: 18
Loc: texas
i used to use the TCW-2 in my 94 Cummins at on bottle per tank full.
i been thinking about using that in my 06 Beetle TDI but not sure how
it would run. or try to find a close place that sales Bio-Diesel

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#3403185 - 06/21/14 05:47 PM Re: Adding lubrication to diesel [Re: 2hellandback]
TiredTrucker Offline


Registered: 01/04/08
Posts: 1006
Loc: Kellogg, IA
There is hardly a truck stop in the nation that does not have some level of bio blend at the pump. I can't even recall the last 5 years a station that I fueled my semi that had regular diesel with no bio. Most places, the blend is 5% or more, which brings lubricity way above the pre-ULSD and pre-LSD days. And it doesn't cost any more at the pump than if diesel only was available. I like not having to add anything, no additional cost over and above the fuel itself. Took one engine to almost 1 million miles on this stuff, and my present engine has 271,000 mies on it and is in great shape.

It might be questionable how adding some oil product to diesel might affect the DPF units. Since it captures particulates and burns them off, it would depend on if the DPF could keep the filter from clogging over time from particulates from the oil one adds to a tank.
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#3412785 - 07/02/14 06:05 PM Re: Adding lubrication to diesel [Re: 2hellandback]
joegreen Offline


Registered: 03/10/13
Posts: 126
Loc: NY
I have been using walmart brand gallon tcw3 oil in my om617 diesel for a while now. works great and is cheap.
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1978 Chevrolet k20, 1984 Mercedes-Benz 300 turbo diesel.

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#3413228 - 07/03/14 08:24 AM Re: Adding lubrication to diesel [Re: 2hellandback]
38Chevy454 Offline


Registered: 06/28/12
Posts: 21
Loc: Albuquerque, NM
Another WM TCW-3 user here. I try to put approx 1 oz/gal. The WM gallon jug is the lowest cost. For my smaller pickup size tank fills I pour the TCW-3 into empty 16 oz water bottles and makes it easy to dump that into the tank with approx 16-18 gallons of fuel.

My old truck has the mech inj pump, so I always use some type of additive for lubricity. But I also use the TCW-3 in my newer electronic injected trucks.

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