Results 1 to 4 of 4

Thread: Discovery td5 engine running on neat hydraulic oil

  1. 24th February 2013, 04:52 AM #1
    leerowdon Guest

    Discovery td5 engine running on neat hydraulic oil

    Any body have any info on the long turm effects of running a td5 engine of neat hydraulic oil? apart from the intank lift pump problems.
    Reply With Quote Reply With Quote
  2. 24th February 2013, 08:25 AM #2
    Blknight.aus's Avatar
    Blknight.aus
    Blknight.aus is offline RoverLord Vendor
    Join Date
    Aug 2006
    Location
    Melbourn(ish)
    Posts
    26,497
    Total Downloaded
    0
    hydraulic oil is not supposed to be burnt, the emissions will be nasty and you'd be running the risk of spotting the injectors.

    you may find that it wont start easily on hyd oil (if at all) due to the higher viscosity and flash point.

    I've tried running fozzy in 2.25 format on hyd oil and couldnt get him to start on hyd oil, but once he was warmed up and running smoothly on veg/diesel could be switched over to hyd oil. Smoked like a demon and was down on power (much lower injection pressures in that engine tho) so I left that oil in the "only if I really had to" emergency use catagory
    Dave

    "In a Landrover the other vehicle is your crumple zone."

    For spelling call Rogets, for mechanicing call me.

    Fozzy, 2.25D SIII Ex DCA Ute
    Tdi autoManual d1 (gave it to the Mupion)
    Archaeoptersix 1990 6x6 dual cab(This things staying)


    If you've benefited from one or more of my posts please remember, your taxes paid for my skill sets, I'm just trying to make sure you get your monies worth.
    If you think you're in front on the deal, pay it forwards.
    Reply With Quote Reply With Quote
  3. 24th February 2013, 10:59 PM #3
    leerowdon Guest
    15p Td5 engines have no problems running neat on it just a bit smokey at low revs and a noisy lift pump for a few mins first thing on a cold morning

    Just wondering if it will would knacker the engine like kerosine would after a good few thousand miles..
    Reply With Quote Reply With Quote
  4. 25th February 2013, 12:01 PM #4
    bsperka
    bsperka is offline Wizard
    Join Date
    Sep 2009
    Location
    Brisbane
    Posts
    1,317
    Total Downloaded
    0

    Diesel fuel specs

    Similar to running a diesel engine on straight vegetable oil (or biodiesel), you have to consider if it has the right energy, lubricating properties (for fuel pump and injectors), spray pattern (both hot and cold), fuel droplet size, pump ability (measured in centistrokes IIRC) etc, coking index (carboning up) as well as cetane rating etc etc etc.

    Whilst to you and me its just diesel fuel, there is a lot of things that diesel does that we just take for granted. We pump it in and burn it, but it needs to have a lot of characteristics within a certain range of limits to be considered suitable for a diesel engine.

    I read a book called SVO: Powering Your Vehicle with Straight Vegetable Oil that talks in depth about the characteristics required of a fuel to burn in a diesel engine. It went on for pages - the headings alone would take up about one page, and this is in a book that advocates SVO!! The following url gives some idea of what needs to be considered:
    http://journeytoforever.org/biodiesel_svostd.html.

    I've read online reports by people who don't care about their diesels who have run different fuels til the engine goes bang!! Some went quickly, others were ok for years. If you are ok with this approach, go for it!!!!
    Reply With Quote Reply With Quote
« Harmonic Balancer. | Does anyone service their own? And not fussed about stamps in the book? »

Bookmarks

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  

Forum Rules

Search AULRO.com ONLY!
 Search All the Web!