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Thread: Converting a 'new' vehicle to use vegetable oil

  1. #1
    Join Date
    Sep 2005
    Location
    WA
    Posts
    3,979

    Converting a 'new' vehicle to use vegetable oil

    I received a PM asking:
    I am trying to get a new car up and running with two tank veg oil and I am wondering if you can explain the criteria to me- that is why one is better for vege oil - regarding indirect or direct injection, inline vs Bosch VE rotary pump, mechanical vs electronic injectors.
    Please read these threads:
    http://www.biofuelsforum.com/threads...place-to-start
    http://www.biofuelsforum.com/threads/4306-Veggy-Oil-and-the-Modern-Direct-Injection-Diesel-What-you-need-to-know

    You may also like to check out the sticky:
    http://www.biofuelsforum.com/threads...ed-Cooking-Oil

    In answer to your questions (plus one I added):
    indirect or direct injection: Indirect injection is significantly less likely to cause ring gumming and resultant bore wear than direct injection. Direct injection may also have much finer injector orifices than indirect injection injectors (as they make a finer misting of the fuel) and may become clogged by polymerised oil if shut down on oil (hence we recommend using a 2 tank system)
    inline vs Bosch VE rotary pump: Inline pumps are lubricated by engine oil and are generally much more ruggedly built than rotary pumps. The Bosch rotary pumps are stronger than the Stanadyne or CAV pumps, but all are lubricated by the fuel passing thru them. (air in fuel or fuel flow restrictions can cause excessive wear in the pump)
    mechanical vs electronic injectors Mechanical injectors are repairable, electronic ones are generally not and are fairly expensive items.
    Common Rail Common rail engines use extremely high injection pressures and electronic injectors. I know of only very few Common Rail engines which have been converted to run on vegetable oils. Alexander Noac www.greasenergy-shop.com has conversion equipment for common rail engines, and provides ECU mapping to suit vegetable oil fueling.
    I hope this helps,
    Tony
    Life is a journey, with problems to solve, lessons to learn, but most of all, experiences to enjoy.

    Current Vehicles on oil based fuels:
    '85 Mercedes Benz W123 300CD Turbodiesel
    '98 Mercedes W202 C250 Turbodiesel (my car)
    '99 Mercedes W202 C250 Turbodiesel (my darling Wife's car) [sold]


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  2. #2
    Join Date
    Apr 2016
    Location
    Melbourne
    Posts
    16

    Re: Converting a 'new' vehicle to use vegetable oil

    Hi Tony,

    That was me! Thank you : )

    I am trying to buy a car (in melbourne) for work- I am a chippy so after a ute and am finding it quite tedious when asking the above questions as people don't generally know.

    Would you advise a non turbo engine for a newbie?
    I am looking at this car http://www.melbournecarsupermarket.c...ssis/12755041/

    the very annoying sales person sent me this photo Click image for larger version. 

Name:	injectors.jpg 
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ID:	2239 when i asked about the above criteria. Is it even possible to answer the above questions from this picture?

    I am finding people are just trying to answer what they think i want to hear... and I am not convinced that anyone knows what they are talking about : /

    I am keen to get to the bottom of this though as my last darling veggie car died very recently and keen to get back on to the golden stuff!

  3. #3
    Join Date
    Apr 2007
    Location
    numurkah
    Posts
    493

    Re: Converting a 'new' vehicle to use vegetable oil

    The Courier should be OK with veg, they have a rotary pump. The price is a bit steep 8k for a 15 year old 300,000 km vehicle, I think you could do much better. FYI that model Courier, and Mazda were pron to cracking heads.
    Have you considered one of these https://www.carsales.com.au/car/ssangyong/musso/

    They are a copy of a merc and a way better than a mazda, and there is one there thats only done 89k for the about the same money as the courier

  4. #4
    Join Date
    Apr 2016
    Location
    Melbourne
    Posts
    16

    Re: Converting a 'new' vehicle to use vegetable oil

    Quote Originally Posted by smithw View Post
    The Courier should be OK with veg, they have a rotary pump. The price is a bit steep 8k for a 15 year old 300,000 km vehicle, I think you could do much better. FYI that model Courier, and Mazda were pron to cracking heads.
    Have you considered one of these https://www.carsales.com.au/car/ssangyong/musso/

    They are a copy of a merc and a way better than a mazda, and there is one there thats only done 89k for the about the same money as the courier
    Hi,

    Thanks for the above information : ) I have never heard of Ssangyong... Thanks for the tip i will look into it. Yeah I felt like the above was too expensive also was hoping to barter them down. There are not a lot of cars available in mebourne which are meeting my criteria at the moment.

    Thanks again!

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