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  1. #71
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    Quote Originally Posted by vyv_cox View Post
    Two-stroke oils have a lower ash content than diesel fuel and are designed to fully burn in the combustion chamber.

    I can't answer the OP but 4WD forums are full of threads on the subject. Most people seem to report good results but of course most are highly subjective.
    Yes I agree. When I bought my new yacht there was a thread on the subject and claims were made that adding about 1% of TW3 improved starting and made the engines run quieter so I tried it. I do think it makes a difference. The cost is minor, I have TW3 oil on hand to mix two stroke for an outboard. Give it a go and form your own conclusions.

    When I was a fisherman burning a fair bit of diesel I used bio diesel when I could and my old Gardner loved it. The government taxed it out of business in the end. Try some diesel between your fingers. The bio has a very slippery feeling where as the new road diesel feels very dry. Your local stuff may vary but ours is all road diesel now meant for modern cars and trucks.

  2. #72
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    Aug 2001
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    Default :-)

    Turpentine for the engine it is then. I tried saltwater once, killed the engine too.


    Quote Originally Posted by nigelmercier View Post
    Reminds me of a very old joke...

    Two old-time, country farmers met in town one day. In the course of their conversation, Jake said to Zeek, "My mule is sick and I don't know what to do." Zeek replied, "When my mule got sick, I made him drink turpentine. The conversation turned to other things and the two soon parted company.

    About two weeks later, they again saw each other in town. Jake stormed up to Zeek and in an angry voice, said, "You son of a bitch! I done to my mule just like you did to yours. I fed him turpentine and it killed him dead in two hours. What have you got to say to that?"

    Zeek looked at Jake and casually replied, "Yup... It killed mine, too."

  3. #73
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    Aug 2001
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    Default Urban myth

    The seem to use filters and water traps too.

    Quote Originally Posted by RivalRedwing View Post
    Best advice I had was to never fill up at a garage which had a delivery tanker in the forecourt - there is a fair chance that the delivery will have stirred up any crud present in the bottom of the garage tanks

  4. #74
    Join Date
    Aug 2001
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    1,331

    Talking Volunteers Please

    Looking for volunteers with (preferably new) quad engines (triple will do also), expensive engines preferred, to:

    Run one on diesel only
    Run another on diesel with a good measure of petrol added
    Run the third with an even better measure of 2 stroke oil added
    Run the fourth (optional) with petrol AND 2 stroke oil added

    Report back to us in two years time or once an engine fails (whatever comes earlier)

    :-))



    Quote Originally Posted by vyv_cox View Post
    Two-stroke oils have a lower ash content than diesel fuel and are designed to fully burn in the combustion chamber.

    I can't answer the OP but 4WD forums are full of threads on the subject. Most people seem to report good results but of course most are highly subjective.

  5. #75
    Chrusty 1 Guest

    Default

    Quote Originally Posted by SamSalter View Post
    Sulphur content may have been reduced, but your diesel fuel manufacturers may well have added a lubricity agent to compensate.
    In N. America we've had ultra low sulphur fuel since about 2001 - not sure of date exactly.
    I checked with our Canadian fuel people and they assured me there was an additive put in to counteract the loss of sulphur. I also talked to Yanmar and they said the new ULSD was OK.
    I've got a Yanmar 2GM20F and have had no problems with seals and smoke after about 10 years using the ULSD.

    If you do a search and/or talk to someone in the know I suspect your British engineers have figured it out too! Engineers know stuff - I are one! They have a lot of training and experience. Or you could post the question on a sailing forum and follow the advice of accountants, bankers and sewing machine salesmen!

    Just joking - but as someone said earlier, engine, fuel and oil manufacturers spend a lot of time and money trying to get it right.

    sam :-)
    Nice one Sam, that made me chortle a bit!

  6. #76
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    Oct 2009
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    Quote Originally Posted by Jcorstorphine View Post
    This is slightly "off" topic but diesel related

    I would tend to agree with the above comment regarding fuel companies as I am having a great deal of problems with my Peugeot 2.0 Hdi which has only covered 40,000 miles and still under 3 years old. The engine is stalling when the car is brought to a standstill and the engine cuts out for a split second when accelerating through the gears. It also hesitates momentarily when the cruise control setting is raised by 5 MPH. All of these are intermittent faults.

    Why mention fuel companies, well I have been advised by the Peugeot main dealers not to use Sainsbury diesel or any other supermarket brand.
    had similar episodes with modern diesel cars. Its nothing to do with fuel it will be the dust particle filter. Quite possibly mankinds most stupid invention. All new diesels have them. After 18 months of farting around and throwing money at a new car we got rid of both the family diesel cars. Paid a chunk off my mortgage and bought a 1994 renault espace turbo-d. its indestructable.

    back to the thread, I have seen aircraft GPUs that have diesel engines in them run off Jet-B in alaska which is a wide cut fuel like a mixture of kerosene and petrol. they use it there because diesel would freeze and kerosene would wax. whether its good for the engine or not I dont know.

    My perkins 4108 runs just fine off plain old diesel, no additives.

  7. #77

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    Quote Originally Posted by contessaman View Post

    My perkins 4108 runs just fine off plain old diesel, no additives.
    That's done it...

  8. #78
    grumpygit's Avatar
    grumpygit is offline Registered User
    Location : Sailing the Aegean
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    Quote Originally Posted by contessaman View Post
    had similar episodes with modern diesel cars. Its nothing to do with fuel it will be the dust particle filter. Quite possibly mankinds most stupid invention. All new diesels have them. After 18 months of farting around and throwing money at a new car we got rid of both the family diesel cars. Paid a chunk off my mortgage and bought a 1994 renault espace turbo-d. its indestructable.

    back to the thread, I have seen aircraft GPUs that have diesel engines in them run off Jet-B in alaska which is a wide cut fuel like a mixture of kerosene and petrol. they use it there because diesel would freeze and kerosene would wax. whether its good for the engine or not I dont know.

    My perkins 4108 runs just fine off plain old diesel, no additives.
    All the problems with modern diesels lie wholly at the feet of the MEP's in eurolarlar land.
    Depending on one beliefs and how green you feel you are, this bunch of whatever you want to call them have dictated to the motor manufacturers of the world to lower emissions.
    The basic 4 stroke (and 2 stroke) in it's self has not really changed over the decades. These who wish for the fossil fuelled vehicle to remain, of which is more for taxation of fossil fuels rather than to change to another derivative of power unit.
    All this has created a situation for more and more gizzmo's to be fitted to the engine to make burn leaner so in turn to lower the emissions.
    Ok, fuel consumption has decreased, but at a price. The costs of buying and keeping a modern car on the road imo does not give a cost effective gain on the fuel saving of the modern engine. Some of these gizzmo's are the particulate filter along with the catalytic converter and all the sensors and drivers associated with them.
    God help us when the boating world gets into full swing of these traits to the combustion engine, Volvo Penta along with other manufacturers are nearly there and are fully electronic now.
    Very soon you'll have a lot more to worry about of whether to put 2T oil in your fuel or not!
    The op is very wise to treasure his Perkins 4108 and even his Espace TurboD, these in my mind are cost effective units.

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  9. #79
    Join Date
    Aug 2001
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    1,196

    Default Special tank of Cerine

    Quote Originally Posted by contessaman View Post
    had similar episodes with modern diesel cars. Its nothing to do with fuel it will be the dust particle filter. Quite possibly mankinds most stupid invention. All new diesels have them. After 18 months of farting around and throwing money at a new car we got rid of both the family diesel cars. Paid a chunk off my mortgage and bought a 1994 renault espace turbo-d. its indestructable.

    back to the thread, I have seen aircraft GPUs that have diesel engines in them run off Jet-B in alaska which is a wide cut fuel like a mixture of kerosene and petrol. they use it there because diesel would freeze and kerosene would wax. whether its good for the engine or not I dont know.

    My perkins 4108 runs just fine off plain old diesel, no additives.
    I have recently found out that Peugeot in their wisdom fit a small tank containing a nasty chemical called Cerine. Apparently every time you fill up the diesel tank, there is a sensor on the fuel cap which alerts the onboard computer (might be called ORIC) that it is time to fire a shot of this particular “gloop” into the fuel system.

    This chemical passes right through the engine and reacts with the carbon which has built up in the particulate filter and it is expelled as a “quote” harmless gas.

    I filled up my car with some expensive Shell V Power last week and my problems with stalling and faltering went away. Four or five days later the symptoms returned whilst I am awaiting the fitting of a fuel regulating valve by Peugeot.

    Today, I filled up my tank again and the problems with stalling and faltering have gone.

    Now this might be my paranoia with the sh/t car of mine but I just wonder if the particulate filer is blocking and very time I fill up with diesel the Cerine purge, give the particulate filter an enema.

    Oh for a simple Perkins or BMC or Ford FSD or better still, a Kelvin

  10. #80
    Robin's Avatar
    Robin is offline Registered User
    Location : Daytona Beach, Florida
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    May 2001
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    Quote Originally Posted by Jcorstorphine View Post
    I have recently found out that Peugeot in their wisdom fit a small tank containing a nasty chemical called Cerine. Apparently every time you fill up the diesel tank, there is a sensor on the fuel cap which alerts the onboard computer (might be called ORIC) that it is time to fire a shot of this particular “gloop” into the fuel system.

    This chemical passes right through the engine and reacts with the carbon which has built up in the particulate filter and it is expelled as a “quote” harmless gas.

    I filled up my car with some expensive Shell V Power last week and my problems with stalling and faltering went away. Four or five days later the symptoms returned whilst I am awaiting the fitting of a fuel regulating valve by Peugeot.

    Today, I filled up my tank again and the problems with stalling and faltering have gone.

    Now this might be my paranoia with the sh/t car of mine but I just wonder if the particulate filer is blocking and very time I fill up with diesel the Cerine purge, give the particulate filter an enema.

    Oh for a simple Perkins or BMC or Ford FSD or better still, a Kelvin
    Which did you fill up with this time, cheap or dear?
    Sermons from my pulpit are with tongue firmly in cheek and without any warranty!

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