50ppm vs 500ppm Diesel

[Wanna Be]

Please advise

Is there in harm in using 50ppm Diesel in older models diesel engins?

Thanks!

[amzimmy]

basically the 50ppm has less sulfur content, therefore has less lubrication, however i think that they put more additive to compensate. How honest they are, I don't know, for an older engine I would carry-on with the 500ppm fuel.

I put in my new G300CDI 500ppm fuel!

My1/2 cents worth,

amzimmy

[Franna]

I read an article in the December SA4x4, and they said that it is a good idea to add a small bottle 2-stroke to every 2nd full tank to increase lubrication and decrease long term wear.

[Alan]

I read an article in the December SA4x4, and they said that it is a good idea to add a small bottle 2-stroke to every 2nd full tank to increase lubrication and decrease long term wear.

Hehe and here we go. I'll get the popcorn..

Riaan !!

[Pete460332]

The 50ppm has a lower SG so your fuel consumption will be higher. I had problems with o rings seals in my OM603 motors injector pump as soon as I changed to 50 ppm , so I had to replace all the O rings. Munga on the other hand did not have issues with o rings on his OM603 though.
Below 500 ppm or so a reduction in sulpur does not increase the lifespan of the motor oil , it beloms limited by other factors like soot levels.
peter

[munga]

I read an article in the December SA4x4, and they said that it is a good idea to add a small bottle 2-stroke to every 2nd full tank to increase lubrication and decrease long term wear.

Leave that to the guys who have modern diesels. The jury is out on if that has any merit. A well maintained 617 and 603 will see in excess of 400k km without too many issues. Don't upset the apple cart. IMO.

Also these injector pumps are lubricated by the engine oil.

[Franna]

No, by all means. I wasn't planning on adding 2-stroke. I just thought that this was relevant to the thread, and interesting to mention.

I don't know much about this subject, so when I read something like this I have to say I'm a little naive and do normally believe most things that isn't too easy to disprove. I mean, most of the time I believe you guys, because most of you are senior members on this forum, and will most definitely know more than me, but you guys could feed me a load of doo-doo, and still I believe you know more. This is why it is actually very important to get as much information on any subject that might be important to our decisions to ensure we can't blame anyone for our own decisions.

Too much... I know. Sorry!

[amzimmy]

Franna, there is a lot of "talk" about the "new" fuel and many say that you must add additive etc etc, however, the 2SO (2 stroke oil) affair has been applied already in Europe after the war (1950) as an additive to new engines to help the running in. These engines are not to today's specifications and our fuel is very different than that in those days. IMO I really believe that MB would not manufacture an engine if it is no appropriate for the type of fuel (that is if they not mix paraffin to our diesel!!!!). All these additives and fuel consumption/lubrication savers etc are to me a lot of "Hogwash" ...... there is a lot of money to be made from "ignorant" people! My feeling is that, on a well maintained engine, the consumption is mainly a matter of "Heavy-Foot" on the accelerator and that additives are a non contributing factor, maybe 1% to the lifespan of the engine. I have done over 500000km with "Muffetta", never put any additives and filled up at reliable service stations with the available fuel, and she is still running today absolutely fine!

As Munga says: "Don't upset the applecart!"

again my1/2c worth,

amzimmy

[Wanna Be]

Thanks all for the response.

I was forced to put 50ppm in as it was all they had. This made me wonder.

Now for the crazy comment: I got the impression that tempreture was running lower than normal. This was just before Polokwane and even up the mountain at 100km/h the temp was lower than normal.

Is this in any way possible or did I just get a nice cool head wind??

[Riaan Harman]

Lets upset this applecart

http://www.4x4community.co.za/forum/...hlight=2STROKE


http://www.4x4community.co.za/forum/...hlight=2STROKE


http://www.4x4community.co.za/forum/...hlight=stroke+

http://www.4x4community.co.za/forum/...&highlight=2so

A lot of interesting reading but the last link is IMO the most relevant as it is basically scientifically proofed.

The first link by Hg Bosch sums up the usage of 2SO. It is impotand if you use 2so to use the correct one.

Every body must decide for themselves but it is interesting for sure

The oil test was done before adding or fitting anything and the second test was done after fitting the UDF filter and I think he used 2SO also.