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Go Back   TDIClub Forums > VW TDI Discussion Areas > Alternative Diesel Fuels (Biodiesel, WVO, SVO, BTL, GTL etc)

Alternative Diesel Fuels (Biodiesel, WVO, SVO, BTL, GTL etc) Discussions about alternative fuels for use in our TDI's. This includes biodiesel WVO (Waste Vegetable Oil), SVO (Straight Vegetable Oil), BTL (Biomass to Liquid), GTL (Gas to Liquids) etc. Please note the Fuel Disclaimer.

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Old August 5th, 2004, 20:05   #1
Ziptar
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Default Add another WVO TDI, My Single Tank Conversion.

I have been working on this for over a year, reasearching, asking questions, etc.. I originally was going to buy the Elsbett Kit but, in the end I wound up making my own.

It's a pretty simple and straight forward system. I am using Lube Specialist 2 Micron CAT Filter, Neoteric Biofuel's Vegtherm, a coolant fuel heat exchanger, Smog's VEG-205 nozzles and a return loop.

I originally set out to build the smallest, cleanest, hassle free Vegoil System I could. I think I did it. I have it plumbed so that I can swicth back and forth from Veg to diesel by flipping two valves and unpluging the vegtherm. I have Gauges, Switches, and solenoid valves in the works to control everything but, that will come in a bit.

engine compartment:


Close up of the heat exchanger:

closeup of the vegtherm:

So Far I have about 450 Miles on it and have run about 10 gallons of Vegoil throught it. It's running great, a little quieter and not alot of smoke. I filled the tank again today to the very top and I will see how my milage is next.

In keeping with simple and no muss no fuss, I have built a prefilter/storage/pump unit for the garage. It has a large stainless steel strainer inside and a goldenrod 10 micron filter. It is an electric pump and it takes all of about 5 minutes to fill my tank. All I do is pour my collected and settled oil through a strainer in the top of the drum, turn on the pump and I filter the oil and fill the car at the same time.



So Far I am in the Conversion and Building the Pre-Filter about $800.00

If you want the full skinny on what I did I pretty much kept a build log in In this thread on the SVO forum at Infopop.
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Old August 6th, 2004, 03:49   #2
Ziptar
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Default Add another WVO TDI, My Single Tank Conversion.

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Good write up and photos!

One question came to mind - do you have a smaller tank of regular diesel somewhere in the vehicle for cold starts? Where is it at and what size is it?
No, I don't it's a single tank setup. I haven't had an issue with cold starts yet, but I am in Florida. As the weather cools off around Novemberish That may Change.
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Old August 6th, 2004, 06:20   #3
TdiYardie
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Default Add another WVO TDI, My Single Tank Conversion.

Way to go Ziptar! Can't wait to see it in person at the next GTG!

Looks like a neat install...

I keep telling Viesel that I'd love to run veggie.... sometime in the future. Someday I'll join you guys!
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Old August 6th, 2004, 11:17   #4
Ziptar
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Default Add another WVO TDI, My Single Tank Conversion.

Thanks TdiYardie. You should go Veg!!! It's easy.

See you at the next GTG.
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Old August 6th, 2004, 11:48   #5
robdesigns
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Default Add another WVO TDI, My Single Tank Conversion.

I am hungry everywhere I go!!

I will be posting an update on my WVO conversion as soon as 5k on WVO rolls around this weekend!!!
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Old August 6th, 2004, 12:50   #6
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Default Add another WVO TDI, My Single Tank Conversion.

And Nigel, if you go veg, I can drop those injectors in for you, too!

Keith
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Old August 6th, 2004, 13:05   #7
Ziptar
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Default Add another WVO TDI, My Single Tank Conversion.

Yes! Big Thumbs up for Keith!!! he did an awsome job swapping my injector nozzles. No leaks no drips no nuthin. They are working Great!!!
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Old August 9th, 2004, 15:16   #8
DaveH9
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Default Add another WVO TDI, My Single Tank Conversion.

Cool system, I like the small looped return with the option for air bleeding. I hope to be converting my tdi soon to a 2 tank system. Keep us posted. Dave
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Old August 9th, 2004, 15:33   #9
Ziptar
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Default Add another WVO TDI, My Single Tank Conversion.

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Cool system, I like the small looped return with the option for air bleeding. I hope to be converting my tdi soon to a 2 tank system. Keep us posted. Dave
Dave,
I'll keep you posted. I would loop the return on a two tank system also. If you used a Pollack Valve you could control it with a swicth. I plan on changing mine to that soon. With a two tank though you just have to make sure your fuel get returned to the correct tank.
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Old August 9th, 2004, 17:09   #10
Wally
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Default Add another WVO TDI, My Single Tank Conversion.

Very cool
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Old November 12th, 2018, 21:09   #11
shanate
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Could you please fill me in on how this went? I know it's been a decade, but I'm doing a single tank wvo on my 01 beetle. Wondering about the 205 nozzles.
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