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Thread: B100 & TD5 Experiences

  1. #21
    solmanic's Avatar
    solmanic is offline One Merc post away from being banned...
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    Quote Originally Posted by DirtyDawg
    Solmainic..the latest LRM has a Bio diesel spread init an guess what it answers the Question on wht Biodiesel is NOT recommended in TD5's

    "Because of the high pressure injection system on the TD5,there are potential issues with the injectors getting blocked.That seems to be why it is not recommended"
    That's not an answer to anything - and this is my problem. The quote is from a biodiesel producer and he is only offering his explanation - still no hard evidence. The article then goes on to ask the question if anybody knows anything for sure.

    The guy quoted is only re-iterating Landrover's reason for poo-pooing bio in the TD5, but it still lacks any sort of empirical data. I want someone to say "...from our research we have found n cases of biodiesel related failures in a td5..." or words to that effect. The more I dig, the more I find that no-one has had a biodiesel related failure. Poor fuel economy - yes. Gunk in the fuel filter from cleaning the residual petro-diesel sludge - yes.

    My main reason for starting this thread was that I had heard rumours about bio-diesel stuffing up TD5 injectors, but to date I haven't come across anyone who actually has had a bio-busted injector. As I mentioned a while ago, I even spoke to Graeme Cooper himself and he confirmed that he had never seen a bio-diesel related failure in a TD5 - and I thought if anyone had, he would have.

    Clogged injectors are not guaranteed if you run biodiesel - you can get clogged injectors from any poor quality fuel. Gelling of the fuel is also a proven problem - but only in cold climates so again, that is controllable.

    I would like to be driving my Defender on B100 when fuel tops $5 a litre - but before I embark on anything major, I need to know for sure whether it is too much of a risk.
    Last edited by solmanic; 28th July 2006 at 06:24 PM.

  2. #22
    tannery Guest

    Biodiesel and TD5 experiences..

    err.. g'day..

    I'm the guy in the Overlander April edition who makes his own biodiesel.

    I've been making the fuel for a couple of years now, and spent most of last year using B100 on my 2001 model D130 (TD5)... with no problems at all. zero. nill. none. zip. diddly.

    I didn't and have not replaced any fuel filters - apart from regular service intervals - and Ritters are the guys in Melbourn who look after my car.. and they know the fuel I put in and have not noticed any impact on the D130.

    there was a slight decrease in performance, which is can be explained chemically... as there is not an much energy in the BD as there is in the same amount of dino-diesel. and let's be honest, the D130 ain't a Ferrari.. so performance over 400m isn't a main consideration for us..

    hope that helps..

    biodiesel bob.

  3. #23
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    Bob that is exactly what everyone has been looking for. Which method are you using to produce your fuel as a friend and I are about to start production with testing in an old merc before my Defender

  4. #24
    tannery Guest

    biodiesel..

    I use the std techniques - which use methanol (20% by volume), potassium hydroxide (KOH) and of course waste veggie oil (heated to 60degrees) ...

    I use the bubble washing to clean the fuel of excess methanol, soaps, etc.. then filter down to 2 micron using a std diesel fuel filter (with clear bowl at the botton)..

    I then put it into the fuel tank..

    The best resources I've used on the internet are:
    http://biodiesel.infopop.cc/6/ubb.x?a=cfrm&s=447609751
    http://www.localb100.com/

    hope that helps..

    biodiesel bob..

  5. #25
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    good to hear bob...

    could you run us through what rubber parts (if any) you replaced in the fuel system?

    did you change all the hoses etc to synthetic rubber type?

    thanks in advance,

    another hopeful future biodeisel maker

    and with access to a cetane engine

  6. #26
    tannery Guest
    Quote Originally Posted by EchiDna
    good to hear bob...

    could you run us through what rubber parts (if any) you replaced in the fuel system?

    did you change all the hoses etc to synthetic rubber type?

    thanks in advance,

    another hopeful future biodeisel maker

    and with access to a cetane engine
    sure - I have not replaced any rubber parts, or filters (apart from the fuel filter which was required to be chaged at the 120,000km service).. for what its worth, I have been using biodiesel since approx. 87,000 km

    I have not made any modifications/alterations to my car... apart from adding a rev. counter.. but that doesn't count. :-)

    its fortunate that TD5 have synthetic rubber hoses, and plastic (HDPE, I think) fuel tank..

  7. #27
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    OK. We already have a couple of filters one which is down to 1 micron. We also have 200 litres of used oil waiting to be processed and prommisses of more.

  8. #28
    tannery Guest

    WVO - needing a place to change?

    so.. 200 litres of WVO waiting to convert?

    what's stopping you?

  9. #29
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    Waiting on the friend to return from holidays and then actually setting it up.

  10. #30
    tannery Guest

    hard to believe...

    hard to believe that there is this thread running on good experiences with TD5 engines and biodiesel.. yet in the very nex "room" there is a counter argumnet running that wouldn't touch the stuff!

    go figure..

    biodiesel bob.. (and proud of it!) :-)

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