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Thread: To convert or not

  1. #11
    Join Date
    Dec 2007
    Location
    South Australia
    Posts
    1,229

    Re: To convert or not

    Question. Since my 'conversion' hasn't extended to looping the return or changeover solenoids on the return, will I lose much diesel back to the oil tank when switched to diesel? Will this be made worse by having an electric pump? I'd prefer not to use up half a litre of diesel every time I start the engine.
    Johnnojack
    4WD Isuzu Jackaroo 3.1 200000km on WVO,(2020) 2 tank home built system 6 solenoids FPHE, heated filter fuel line and tank pickup for thicker oil. Mk. 9 version now and no changes planned as trouble free.
    Mercedes W201 190D 1986 model: 2 tank system, bigger fuel line from tank, no heat exchanger, electric pump for diesel 22000km so far

  2. #12
    Join Date
    Sep 2005
    Location
    WA
    Posts
    4,294

    Re: To convert or not

    JJ
    Can you measure the return line flow (re-route the return line into a 5 litre can) and run the engine for 1-5 minutes to see how much you are pumping down the return line. You can then see how much you would be sending to the veggie tank. Adding a return line solenoid valve is much easier than adding one in the supply line as you do not have the pumps and filters in the way.
    Life is a journey, with problems to solve, lessons to learn, but most of all, experiences to enjoy.

    Current Vehicles in stable:
    '06 Musso Sports 4X4 Manual Crew Cab tray back.
    '04 Rexton 4X4 Automatic SUV
    '2014 Toyota Prius (on ULP) - Wife's car

    Previous Vehicles:
    '90 Mazda Capella. (2000 - 2003) My first Fatmobile. Converted to fun on veggie oil with a 2 tank setup.
    '80 Mercedes 300D. 2 tank conversion [Sold]
    '84 Mercedes 300D. 1 tank, no conversion. Replaced engine with rebuilt OM617A turbodiesel engine. Finally had good power. Engine donor for W123 coupe. (body parted out and carcass sold for scrap.)
    '85 Mercedes Benz W123 300CD Turbodiesel
    '99 Mercedes W202 C250 Turbodiesel (my darling Wife's car)[sold]
    '98 Mercedes W202 C250 Turbodiesel (my car)[sold]
    '06 Musso Sports Crew Cab well body. [Head gasket blew!]
    '04 Rexton SUV 2.9L Turbodiesel same as Musso - Our Family car.
    '06 Musso sports Crew Cab Trayback - My hack (no air cond, no heater).

    Searching the Biofuels Forum using Google
    Adding images and/or documents to your posts


  3. #13
    Join Date
    Nov 2005
    Location
    Tasmania
    Posts
    532

    Re: To convert or not

    Johnno, have found it much easier to have both a return line and recycle line, that way can flush the system and yet when running recycle the oil. Also have a switch to turn of the inline pump under the bonnet, so just a matter of switching from the 5lt dino/bd tank to vo and back. You could also add either 2 stroke or ATF to your starter tank, that cleans out the crud in in the fuel system, especially if you are recycling as it is pretty hot by the time it come back round and works best that way.

    On my 1hdt, it will go through a 5lt tank in a couple of minutes when using the return line. I run 1lt through then switch to recycling the fuel and when starting already have some dino/bd. so it's easy to switch when staring and you get a combination of dino and vo as the engine warms up. If you don't care how much dino you have in you vo tank then just use a return line, but have found when I recyclable vo on the road, have a bit more power for some reason an my inline filters don't crush up as they do sometimes.

    Tony's idea works really well, but can be a trial, if yo add 2 stroke or ATF into every second tank of starter fuel, it tends to keep the system pretty clean.

  4. #14
    Join Date
    Dec 2007
    Location
    South Australia
    Posts
    1,229

    Re: To convert or not

    Tony I did a rough check and found that about 0.5 litres per minute returned from the pump at idle, I suspect some even when the car was ready to start, ignition on and facet pump ticking away. When running probably faster even more than half a litre. Started with 9 litres and with priming air out, cranking the motor etc for about 10 minutes until I got the car to run again after having the fuel lines off I had only 5 litres in the diesel tank. So will have to do something. Probably 2 solenoids from a Tee in the return line, one returning to diesel inlet side (looped) and one to oil line returning to main tank.
    Tony I don't have room for one of those big 2 way valves you linked to, a smaller one may work.
    Johnnojack
    4WD Isuzu Jackaroo 3.1 200000km on WVO,(2020) 2 tank home built system 6 solenoids FPHE, heated filter fuel line and tank pickup for thicker oil. Mk. 9 version now and no changes planned as trouble free.
    Mercedes W201 190D 1986 model: 2 tank system, bigger fuel line from tank, no heat exchanger, electric pump for diesel 22000km so far

  5. #15
    Join Date
    Sep 2005
    Location
    WA
    Posts
    4,294

    Re: To convert or not

    Search for motorised bvall valve DN15. I have seen some which are only a few inches long and high. Would they be too big for your vehicle?
    Life is a journey, with problems to solve, lessons to learn, but most of all, experiences to enjoy.

    Current Vehicles in stable:
    '06 Musso Sports 4X4 Manual Crew Cab tray back.
    '04 Rexton 4X4 Automatic SUV
    '2014 Toyota Prius (on ULP) - Wife's car

    Previous Vehicles:
    '90 Mazda Capella. (2000 - 2003) My first Fatmobile. Converted to fun on veggie oil with a 2 tank setup.
    '80 Mercedes 300D. 2 tank conversion [Sold]
    '84 Mercedes 300D. 1 tank, no conversion. Replaced engine with rebuilt OM617A turbodiesel engine. Finally had good power. Engine donor for W123 coupe. (body parted out and carcass sold for scrap.)
    '85 Mercedes Benz W123 300CD Turbodiesel
    '99 Mercedes W202 C250 Turbodiesel (my darling Wife's car)[sold]
    '98 Mercedes W202 C250 Turbodiesel (my car)[sold]
    '06 Musso Sports Crew Cab well body. [Head gasket blew!]
    '04 Rexton SUV 2.9L Turbodiesel same as Musso - Our Family car.
    '06 Musso sports Crew Cab Trayback - My hack (no air cond, no heater).

    Searching the Biofuels Forum using Google
    Adding images and/or documents to your posts


  6. #16
    Join Date
    Dec 2007
    Location
    South Australia
    Posts
    1,229

    Re: To convert or not

    All done, I used my last 2 spare LPG valves , only had to buy one Tee piece and a couple of hose barbs. One solenoid valve controls return back to oil tank, (main tank) and one for diesel which I've looped back to just before the electric pump. Car starts easily now and is missing a bit less on idle. I'll give it a week and see if the injector cleans up.
    Johnnojack
    4WD Isuzu Jackaroo 3.1 200000km on WVO,(2020) 2 tank home built system 6 solenoids FPHE, heated filter fuel line and tank pickup for thicker oil. Mk. 9 version now and no changes planned as trouble free.
    Mercedes W201 190D 1986 model: 2 tank system, bigger fuel line from tank, no heat exchanger, electric pump for diesel 22000km so far

  7. #17
    Join Date
    Dec 2007
    Location
    South Australia
    Posts
    1,229

    Re: To convert or not

    Car running better now, easy starting, less missing, less smoke for the neighbours. Uses about 4 litres of diesel every couple of months.
    Johnnojack
    4WD Isuzu Jackaroo 3.1 200000km on WVO,(2020) 2 tank home built system 6 solenoids FPHE, heated filter fuel line and tank pickup for thicker oil. Mk. 9 version now and no changes planned as trouble free.
    Mercedes W201 190D 1986 model: 2 tank system, bigger fuel line from tank, no heat exchanger, electric pump for diesel 22000km so far

  8. #18
    Join Date
    Apr 2012
    Location
    dayboro
    Posts
    47

    Re: To convert or not

    I have converted two Mussos one a year and a half ago and one six months ago using ELsbett kit.

    I First converted an Urvan to run off WVO (Two tank system) mostly just with bits and pieces I had aorund, for about $50 in 2002. Did a trip to Alice and back but running pretty rough by the end as I left cold oil in the IP too often.

    Anyhow changed to making biodiesel for next 15 years or so, on various cheap old Urvans and then Estimas.

    I thought of buying ELsbett kit 15 years ago for my Urvan but did not want to spend $1500.
    I wish I had.

    First Musso had now done about 40,000 k and runs great. No trouble last winter. Temp probably got close to zero once or twice. (They reckon you have to mix diesel when it get to minus 10!)
    Work filtering oil is a tiny fraction of the work making Biodiesel. I got my filtering system form a guy who said he had done 200,000 k on Elsbett (I think he had an old troopie)

    After sales service and advice from ALexander Noack is free and friendly (Though language may be a little problem)

    Thats my thoughts at the moment anyhow.

    Jim

  9. #19
    Join Date
    Sep 2005
    Location
    WA
    Posts
    4,294

    Re: To convert or not

    Jim, What configuration are you using? single tank, or 2 tank?
    Life is a journey, with problems to solve, lessons to learn, but most of all, experiences to enjoy.

    Current Vehicles in stable:
    '06 Musso Sports 4X4 Manual Crew Cab tray back.
    '04 Rexton 4X4 Automatic SUV
    '2014 Toyota Prius (on ULP) - Wife's car

    Previous Vehicles:
    '90 Mazda Capella. (2000 - 2003) My first Fatmobile. Converted to fun on veggie oil with a 2 tank setup.
    '80 Mercedes 300D. 2 tank conversion [Sold]
    '84 Mercedes 300D. 1 tank, no conversion. Replaced engine with rebuilt OM617A turbodiesel engine. Finally had good power. Engine donor for W123 coupe. (body parted out and carcass sold for scrap.)
    '85 Mercedes Benz W123 300CD Turbodiesel
    '99 Mercedes W202 C250 Turbodiesel (my darling Wife's car)[sold]
    '98 Mercedes W202 C250 Turbodiesel (my car)[sold]
    '06 Musso Sports Crew Cab well body. [Head gasket blew!]
    '04 Rexton SUV 2.9L Turbodiesel same as Musso - Our Family car.
    '06 Musso sports Crew Cab Trayback - My hack (no air cond, no heater).

    Searching the Biofuels Forum using Google
    Adding images and/or documents to your posts


  10. #20
    Join Date
    Apr 2012
    Location
    dayboro
    Posts
    47

    Re: To convert or not

    Quote Originally Posted by Tony From West Oz View Post
    Jim, What configuration are you using? single tank, or 2 tank?
    Single tank
    That is one of the beauties of the Elsbett system.

    Not sure how it works, but even in cold weather the vehicle will start fine on cold oil, before the electric and coolant heaters kick in.
    THe magic of the ELsbett injectors and glow plugs I guess.

    I think they recommend dual tanks for large trucks. Not sure why on that either.

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