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Vegetable oil - 2003 Passat - 1.9TDi

  • 05-03-2008 9:39am
    #1
    Morkin
    Registered Users, Registered Users 2 Posts: 125 ✭✭


    Folks,

    Anyone running this engine with any % vegetable oil?

    I'm considering a 10% mix of off the shelf oil in the tank.

    Pros/Cons?

    Thanks,

    M.


Comments

  • #2
    kodute
    Registered Users, Registered Users 2 Posts: 829 ✭✭✭kodute


    Dont think you can do it with TDI engines. Something to do with the injectors.
    http://journeytoforever.org/biodiesel_TDI.html


  • #3
    craichoe
    Closed Accounts Posts: 2,706 ✭✭✭craichoe


    kodute wrote: »
    Dont think you can do it with TDI engines. Something to do with the injectors.
    http://journeytoforever.org/biodiesel_TDI.html

    Course you can, it depends on the Fuel pump, if its Bosch then its a go, if its a Lucas your screwed.

    10% mix should be ok


  • #4
    JHMEG
    Closed Accounts Posts: 7,686 ✭✭✭JHMEG


    Google for other, mainly UK, sites that cover this topic. You will get very good advice from people who have experience of SVO etc.


  • #5
    Timmaay
    Registered Users, Registered Users 2 Posts: 11,396 ✭✭✭✭Timmaay


    Yep, dont even bother, it might only be 10% but it will most lightly clog up your injectors/fuel lines/fuel filter etc over time. It will make starting the car more difficult as well.

    What'll you save in the short term? (1.20-0.70)*.1 = 5cent per litre. Assuming the car does 45mpg (10miles/litre), you'll have saved about €1000 after 20,000miles, by which time you'll have spent double that changing injectors etc.

    If you do want to mess around with veg oil get yourself an old non-direct injection car, slap a fuel heater on to the fuel line and put a 2nd small diesel tank with diesel in it for starting/warming up the car. Hey presto, a car that'll run on 100% veg oil.


  • #6
    [Deleted User]
    Posts: 0 ✭ [Deleted User]


    http://www.elsbett.com/gb/online-shop.html


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  • #7
    3ps
    Closed Accounts Posts: 723 ✭✭✭3ps


    DO NOT DO THIS.

    The TDI engine will need a full conversion.

    Check elsbett.com or ring the lads in ecocar.ie


  • #8
    JHMEG
    Closed Accounts Posts: 7,686 ✭✭✭JHMEG


    http://www.vegetableoildiesel.co.uk/fuelsdatabase/database/index.php

    Plenty of VWs


  • #9
    3ps
    Closed Accounts Posts: 723 ✭✭✭3ps


    They are PD's not TDI's

    The injectors will clog up with veg oil which can't atomise at the high pressure's involved in modern engines.

    Also, most of the people on that site have made some modifications... usually home made jobs.


  • #10
    craichoe
    Closed Accounts Posts: 2,706 ✭✭✭craichoe


    Its actually the exact opposite, the fuel filter has to be changed 3 times in 6 months if you run on SVO, it cleans all the deposits off the inside of the engine left by the Diesel.

    Ireland is too cold to run on SVO without modification.

    However it is true that the PD engine will not run very well on Vege oil mix. Biodiesel is fine though.


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