Wednesday, Aug 21, 2013 at 09:11
Well that old chestnut that the car companies and oil companies would make a better product if they could.
Complete and utter bunkum.
The oil companies and the car companines are ALWAYS chasing reduced cost and all to often their agenda is far more synical than that.
The only time any of them spend more money than required by the prevailing specifications, is to gain an edge in the market.
Even then they will do only what is needed for that edge and keep some gains in reserve so they have an easily available response should a competitor match their edge.
Or perhaps they are content to keep one step behind "worlds best practice".
It is
well known that there is planned obselecence in motor vehicles and in certain brands things that have been known to fail in their models for decades
As far as the whole two stroke oil in diesel thing, it is possibly one of the best researched and tested oil or fuel additives there have ever been.
There have been threads on major bulliten boards that have been current and continuing to gain posts for many years one or two decades.
There has also been some independent laboratory testing in different countries, and thousands upon thousands of users who have posted their results, some quite detailed on forums world wide.
Remember unlike other proprietary additives, no one is making money by recommending two stroke in diesel....
And yes there are people using two stroke in their common rail diesels.
The important thing to understand is that diesel fuel is an oily fraction from the refinery process and its quality and exactly what it contains varies from brand to brand, time to time and place to place while still conforming to the spec ( just) .......there are those who insist that pump diesel in this country is nowhere near as good as it is in europe for example.
I know
well that my diesel performs differently on different brands.
As for the two stroke.
Modern low ash two stroke oil is specifically designed to burn cleanly leaving the absolute minimum of residue.
It has been reasonably argued that it burns cleaner than pump diesel
There have been those who have actually run, non-common rail motors on two stroke alone to prove a point.
So we are adding an oily product that is specifically designed to burn cleanly, to another cheaper, possibly less stringently engineered oily product of a variable nature, in pretty low 200:1 ratio.
Its not like two stroke contains any water, solvents or additional volotiles, metalic or plastic additives or other things that are likley to cause issues when burnt. because it is specifically designed to burn clean in motors that run cleaner than diesels.
Generally as common rail has come onto the market caution has been recommended with using two stroke in common rail motors.
So it is considered wise to use a reputable brand of mineral two stroke intended for high performance air cooled motors.
In more recent times there have been "braver souls" who have run their common rail motors for some years now with two stroke and reported no ill effects, on the contray they have reported, improvements in noise, performance and economy.
If you want more reading on the subject start with the two stroke in diesel threads on Ausfish and 4wdaction......if you then want to read more, I would sugest stocking up on coffee or energy drinks and googeling "two stroke in diesel".....there is weeks of reading out there.
The UK landrover
forum ( from memory) has one of the longest running...some of the american diesel forums has some extensive information contributed by people with significant resources and knoweledge.
Satisfy your self and don't be overly concerned about the FUD spread by others.
cheers
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