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Caterham

Member Since: 06 Nov 2008
Location: Birmingham
Posts: 6312

2011 Defender 110 Puma 2.4 XS CSW Stornoway Grey

I wouldn't have thought so but could it have caused the ecu to loose memory ie at the least would it need to do injector learn process?

17th Jun 2013 5:55am

gbmud

Member Since: 02 Jun 2013
Location: Sussex, UK
Posts: 167

First90 wrote:
I can't see it as being in the car and fuel companies interests to do the testing. If it came out in favour of 2SO then those companies would be very red faced. It would be effectively saying their engines and fuels aren't good enough

Car manufacturers always advise the use of good quality fuels in their engines - I think that they are aware of the potential problems of using poor fuel no matter how good the quality of their engines and ancillaries! They always seem to warn against using bio-fuels in diesel engines too.

As for fuel companies, they seem to put a lot of time and effort (money!) into producing quality fuels and often promote these fuels as offering MPG and emissions improvements over other makers fuels. This is one of the ways in which they seek to increase their market share. I work on the assumption that if they believed that adding 1 part per 200 (or whatever) 2T oil to the diesel was going to give an improvement then they would be doing it. After all, they have the time, money and incentive to do that sort of research.

Chris

17th Jun 2013 6:36pm

landybehr

Member Since: 17 Apr 2013
Location: -D-
Posts: 173

First90 wrote:
.. But then two weeks ago I had the battery off for a couple of days and after reconnecting it the engine is running as bad as is has. It is clattery and rattly and gutless. ... I can't get any traction with the dealer and its so frustration as for a couple of months on the 2SO it was so good.

Now that doesn´t help too much in prooving that 2SO was the major agonist with changes in the vehicle´s behaviour.

Are there any possible side effect to 2SO, such as an impact on emissions or whatever - points that the "official ones" could not tolerate but do not matter for the user ?

17th Jun 2013 7:36pm

zone30

Member Since: 07 Sep 2012
Location: Gent
Posts: 669

2011 Defender 110 Puma 2.4 X-Tech LE Nara Bronze

Is this good oil? Have got it laying around so thought I'd give it a go.
2.4 TDCi engine!

Click image to enlarge

12th Dec 2013 10:29pm

spudfan

Member Since: 10 Sep 2007
Location: Co Donegal
Posts: 4722

As your Puma is a 2.4 you need JASO FB mineral 2 stroke. 1982 88" 2.25 diesel
1992 110 200tdi csw -Zikali
2008 110 2.4 tdci csw-Zulu
2011 110 2.4 tdci csw-Masai

12th Dec 2013 10:38pm

zone30

Member Since: 07 Sep 2012
Location: Gent
Posts: 669

I tought so, thx

When I have some, I'll do some measurements like: decibels at cold start and at temperature, before, after and after a while, all at about the same condition regarding temperature, location, etc...
Should be interesting.

13th Dec 2013 6:01am

Sonarmender

Member Since: 04 Apr 2013
Location: Guz
Posts: 338

2015 Defender 90 Puma 2.2 HT Corris Grey

pumaxs wrote:
Anyone seen a Mercedes diesel car, van or truck with a two stroke oil reservoir in the engine bay or a pre-mix ratio printed on the fuel filler flap?
No?
That'll be your test results then

I have to agree, there are plenty of couriers running around in white Transits which by there very nature are very high mileage and generally abused vehicles! Do they bother with 2S, I think not.

I am sure there would be some mention of using 2S in your handbook if LR thought that you would damage your engine if you didn't.

I perasonally have a Focus TDCI with 196,000 miles on the clock which is used to commute between Plymouth and Faslane, yes all motorway running, but I have never used anything other than cheapest fuel availble at the time and she is still going strong. You only have one life, live it....forget the cost.
90XS Hardtop

13th Dec 2013 9:04am

munch90

Member Since: 26 Oct 2013
Location: guildford
Posts: 3558

I cant see that if 2 stroke makes the diesel lubricate the pump and injectors better than diesel alone that can be a bad thing can it ?

13th Dec 2013 9:24am

jimbob7

Member Since: 06 Jul 2013
Location: uk
Posts: 2055

For a manufacturer to fit a 2t tank it would have to be approved by the powers that be,so they would have to spend millions on research to prove it is viable/safe,to them it's not worth it and they are right,engines run well enough without 2t.
But that doesn't mean you don't get good results using it,I used it a lot on my motorbikes,I don't think it will do the engine any harm but I'm really not sure that it wont start to clog injectors with regular use which is the only thing that stops me using it on my Defender. Pov.spec,ftw. 2006, 110,TD5.

13th Dec 2013 11:07am

zone30

Member Since: 07 Sep 2012
Location: Gent
Posts: 669

I am a non-believer but my logic says it's worth a try.
Don't expect to use it all the time as I fill up 2 times per week and can't be bothered, however if the difference is huge, I just might periodically.

We'll see.

Concerning those transits, here in belgium most sell them at around 90k kms, so not a reference to me.
Manufacturers don't build cars to last but just long enough until the guarantee expires. Cars are more and more becoming a consumable.

13th Dec 2013 12:03pm

spudfan

Member Since: 10 Sep 2007
Location: Co Donegal
Posts: 4722

The series 111, 2.25 diesel failed the smoke test in a most spectacular fashion. Coupled to this was a marked downturn in the mpg stakes. Turned out to be the injectors. When they were removed and sent in for testing the word came back that instead of putting in a nice spray mist pattern in to the engine they were just lashing the fuel in. The cause I was told was too fold,a) lack of use (it did 1000 miles since last years test) and b) lack of lubrication in modern low sulphur diesel diesel fuels. New nozzles were fitted and injectors reset. Next up is the retest. Looks like it will be 2so in the series 111 on a regular basis now too. 1982 88" 2.25 diesel
1992 110 200tdi csw -Zikali
2008 110 2.4 tdci csw-Zulu
2011 110 2.4 tdci csw-Masai

13th Dec 2013 8:54pm

pannawonica

Member Since: 21 Nov 2010
Location: Clackline Western Australia
Posts: 568

Lro the last time I read was advocating the benefits of the erg system to the efficient engine running ! It is well known out here the reduction in sulphur has resulted in injection pump increased failure. However more modern engines may be like valve recession on pre unleaded cars had this engineered out. 50km,s later I still add 2st, why ? It makes the engine quieter and it does,nt hurt , it's just oil like diesel just a little bit more refined maybe.

15th Dec 2013 12:49pm

lonewolf

Member Since: 23 Oct 2013
Location: North East England
Posts: 210

2010 Defender 90 Puma 2.4 CSW Zambezi Silver

Anyone used Archoil AR6400-D & BG244? Google it for the speil.

18th Dec 2013 11:51am

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