Mixing 2 stroke oil with Diesel fuel.

I have a friend who wouldn't run any diesel engine boat, car or tractor without 2 stroke oil added...

edit: just read other forum, sounds fine to me.

Friend in question who adds oil is a very well respected mechanic and I trust his judgement on this.
 
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Interesting. I would be a bit scared to try it with my 2 x VP63P's but the arguements sound convincing. The information seemed to relate to modern car engines running on road fuel. Obviously most boat engines are older style truck engines running on red. Maybe they would get more benefit from a squirt of 2 stroke.
 
I,ve done it for some time.Redex used to make an additive for diesel engines that protected fuel tanks from rust( I,ve got a steel boat) and also lubricate injector pumps etc but they altered the speck so stopped using it and now add about a litre of 2-stroke oil to about 100 litres of diesel.
 
Jcorstorphine said:
Has anyone had the courage to try mixing a small amount of 2 stroke oil with diesel fuel as per the following link

http://www.freel2.com/forum/topic878.html

In my case, the engine is a mid 80s Ford OHC 1600 XLD.

Regards
J
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Yes done this on a Toyota Rav4 2L, and my VW Camper (2.4L) and know others who use it in the BMW engined Rover 75, MG ZT and Freelander TD4.

It gives smoother running (esp at low rpm) and less noise. I used about 150ml in 45L - ie .3% Does do anything for the economy though.

I use Millers additive in all my diesels including the boat's Perkins 4108 which is running very sweetly and smoke free for a 30year old engine.

Economy is boosted which usually covers the extra cost.

http://millersoils.net

I
 
Spyro said:
Just curious, does anyone know what difference 2 stroke would be from something like 15/40 oil?
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2 Stroke is designed to be burned in the combustion chamber and apparently produces less ash presumably by burning more thoroughly.

Engine oil in the combustion chamber, as we know, produces blue smoke - a sign of incomplete combustion.
 
Probably little benefit in it at the moment for users of red diesel, which so far retains a healthy sulphur content. Could well be beneficial for users of older engines on white diesel, especially the City version.
 
vyv_cox said:
Probably little benefit in it at the moment for users of red diesel, which so far retains a healthy sulphur content. Could well be beneficial for users of older engines on white diesel, especially the City version.
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The main benefit of the 2stroke oil is in reducing noise and roughness. Plenty of marine diesels could do with that!
 
ianj99 said:
The main benefit of the 2stroke oil is in reducing noise and roughness. Plenty of marine diesels could do with that!
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No it isn't. The main benefit is in providing lubrication to those components that previously relied on sulphur for it, e.g. the injector pump and the injectors. Both of these have steel-on-steel wearing parts. Common-rail engines in modern automotive engines will benefit less but no doubt will be improved by some extra boundary lubrication.
 
vyv_cox said:
No it isn't. The main benefit is in providing lubrication to those components that previously relied on sulphur for it, e.g. the injector pump and the injectors. Both of these have steel-on-steel wearing parts. Common-rail engines in modern automotive engines will benefit less but no doubt will be improved by some extra boundary lubrication.
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I'd rather use the Millers for the lubrication, but I wasn't thinking in terms of wear, but of the tangible benefits you'd notice after you'd added it to the fuel.
 
Andrew_Fanner said:
I could be tempted to try. Big old 6354s that dont often get worked that hard and smoke a bit (!).

From the article it looks like the cheapest, nastiest, 2 stroke oil available is as good as the most expensive marine type.
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2T has less "stuff" in it so that less ash is produced when it burns (for a start.
Stu
 
Just read the link. very interesting. I have an old, worthless yet trusty ford escort van that I use for hauling my junk to and from the boat. I guess the 1.8 litre diesel is similar to your engine?

Anyway, next time I fill it up, I will give it a go.
My gut reaction is that this is probably a good idea for old, simple diesel engines. Probably best not to do it with you new car with all its electronic controls and sensors and dust particle filters and god knows what else...

Nobody has mentioned the best way of adding the oil? I was thinking -put the required amount (of oil) in a jerry can. mix it with a gallon of diesel then add this lot to a full tank of untreated diesel.

excellent. I love experiments like this.
 
vyv_cox said:
Probably little benefit in it at the moment for users of red diesel, which so far retains a healthy sulphur content. Could well be beneficial for users of older engines on white diesel, especially the City version.
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Not too sure about that apparantly new EEC regs have led to a change in spec that older tractor engines do not like. Also domestic fuel needs an additive to make an Aga run sweetly, [not that I have one on the boat]. I found also that I had problems with smoking from heating system onboard, solved with the addition of "Topanol" at 1l per 1000l. My 13.5HP Engines seem to run sweeter too.
 
IT Works !

I have a 2 ltr Ford TDCI with 180,000 miles on the clock goes well bur sounds a bit like a bad of nuts at low revs. I put 150ml of 2T oil into a full 60ltr tank of Tesco's best, after about 50 miles runs quieter and is noticable smoother.

Also tried it in the Perkins 4108 (about 1%) in a similar tank of Tesco's best. Similar results !

Now looking for a cheap supply of 2T.
 
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