View Poll Results: What kind of fuel are you using?
Gasoline 52 19.62%
Diesel 174 65.66%
Propane 18 6.79%
Veggie Oil 17 6.42%
Other 4 1.51%
Voters: 265. You may not vote on this poll

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Old 08-27-2016, 02:47 PM   #51
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I've tried diesel once or twice in my 8.2 T but mostly furnace oil, used fry oil (canola) or auto tranny fluid and hyd oil. Basically mix anything with furnace oil at a 3 to 1 ratio. 60L of furnace and 20L of used canola, etc. I've burnt a 45gal drum of veg based hyd oil straight. No issues with power or milage. As mentioned before, diesel fuel was "invented" many years after Rudolf Diesel was found floating in the English Channel. Surface combustion engines were designed to run on local oils. Rape seed, palm, coconut, whatever the country has.
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Old 08-27-2016, 05:27 PM   #52
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Originally Posted by goinbroke2 View Post
I've tried diesel once or twice in my 8.2 T but mostly furnace oil, used fry oil (canola) or auto tranny fluid and hyd oil. Basically mix anything with furnace oil at a 3 to 1 ratio. 60L of furnace and 20L of used canola, etc. I've burnt a 45gal drum of veg based hyd oil straight. No issues with power or milage. As mentioned before, diesel fuel was "invented" many years after Rudolf Diesel was found floating in the English Channel. Surface combustion engines were designed to run on local oils. Rape seed, palm, coconut, whatever the country has.
I found your post interesting... I wiki'd Rudolf Diesel and his biographer's consider his death a suicide... Then his wife opened a bag after his death and found money.
https://en.m.wikipedia.org/wiki/Rudolf_Diesel#

I thought his signature in vinyl would look cool
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Old 08-27-2016, 07:28 PM   #53
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Old 10-12-2016, 09:40 PM   #54
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diesel all the way
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Old 10-08-2017, 11:50 PM   #55
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I'll be dual fueling my shorty...

The engine in my bus is an old 7.3 IDI build by IH. They love their alternative fuels.

I currently run 2 of these engines on centrifuged and blended waste motor oil (and any other oil I can get my hands on that isn't veggie). Start-up and warm up is always on diesel fuel... shut down (and ~3-5 miles prior to) is on diesel as well. That way, the IP, filter, etc.. are all full of fresh diesel before the engine gets shut down. Makes it much easier to start back up and keeps coking to a minimum. Cold engines and waste oils do not mix.

Anyways... I've put ~10k miles on one of them running primarily W90 (90% waste motor oil/10% gasoline) with no hiccups. I use mechanical 3 port ball valves to all but eliminate tank mixing... 1/2" fuel line so the lift pump doesn't have to work as hard when the oil is cool.

On the bus... I'll have at least 120 gallon waste oil tank and the stock diesel tank. I'll also be running a flat plate heat exchanger on the oil side. The hotter the oil is before it hits the cylinders... the cleaner it burns.

WMO doesn't have the gelling issues that veggie oil does.

Ive talked to guys that have over 100k miles on waste oils. Taking your time.. getting the oil clean... getting it thinned down... only running on it when at temp... all goes into having an easy time with it. I learned the hard way a few times... Over the last few years, it's been smooth sailing though.
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Old 10-09-2017, 08:48 PM   #56
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Originally Posted by Mr4btTahoe View Post
Taking your time.. getting the oil clean... getting it thinned down... only running on it when at temp... all goes into having an easy time with it. I learned the hard way a few times... Over the last few years, it's been smooth sailing though.
My other RV is a bobbed M35a2. The multi-fuel engine in it is perfect for wmo, and I've run it for years with no problems. I don't have a centrifuge, I've been using heat (the Georgia sunshine) and gravity to de-water and filter socks down to 1 micron to strain out the crud. With a centi. you don't have to worry about de-water.

I have been very lucky to be able to get a lot of reg gasoline AND JP4 jet fuel for thinning.

Quote:
Originally Posted by Mr4btTahoe View Post
I'll be dual fueling my shorty...
I currently run 2 of these engines on centrifuged and blended waste motor oil (and any other oil I can get my hands on that isn't veggie).
What are you using for a centrifuge? I'd really like to build one one day. I'm a little leery about using wmo in my 2000 GMC Short bus with the 6.5 Turbo Diesel because of the efi.
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Old 10-09-2017, 09:22 PM   #57
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My other RV is a bobbed M35a2. The multi-fuel engine in it is perfect for wmo, and I've run it for years with no problems. I don't have a centrifuge, I've been using heat (the Georgia sunshine) and gravity to de-water and filter socks down to 1 micron to strain out the crud. With a centi. you don't have to worry about de-water.

I have been very lucky to be able to get a lot of reg gasoline AND JP4 jet fuel for thinning.



What are you using for a centrifuge? I'd really like to build one one day. I'm a little leery about using wmo in my 2000 GMC Short bus with the 6.5 Turbo Diesel because of the efi.
I use one of the oil filter style pump driven centrifuges from PA Biodiesel. Couldnt swing the motor driven single pass... this little pump driven one does the trick nicely. We loop the drum for 48 hours a batch.
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Old 10-09-2017, 10:10 PM   #58
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one of the things about diesels is they will burn oil and are happy doing it.. im guessing that makes doing alternative fuels a bit easier?

after all a runaway diesel is a diesel running quite happily (for a shrt time) on its own oil...
makes a lot of smoke but it runs..
-Christopher
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Old 10-10-2017, 11:50 AM   #59
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Originally Posted by cadillackid View Post
one of the things about diesels is they will burn oil and are happy doing it.. im guessing that makes doing alternative fuels a bit easier?

after all a runaway diesel is a diesel running quite happily (for a shrt time) on its own oil...
makes a lot of smoke but it runs..
-Christopher
You are very close … The WMO’s btu’s of energy as well as its auto-ignition temp give it a certain eagerness to be burned. Combine the eagerness of WMO with the “happiness” of the engine, expressed as compression ratio, and you have a formula for much jocularity going down the highways and byways of life …. As long as you get the wmo de-watered, filtered and thinned properly.
There is a certain … resistance ... to this idea on the internet so I generally try to avoid the topic.
There is an old thread at a preper forum that covers the topic, including a bibliography of research material that will back up the idea of WMO as diesel engine fuel:

Waste oils as motor fuel - Survivalist Forum

I see that the pictures are gone, and it’s a little tatty looking, but the basic information is still there. I post as “oddshot” (a lyric from an old, very old Tom Paxton hippy tune ) on that site. For the skeptics, that thread dates back to 2012. I started using WMO a couple years before that thread and the truck I use it in is still my daily driver. Long or short trips, I have had no problems using wmo as fuel. VERY happily I might add.

OBLIGITORY DISCLAIMER: I have only used this fuel in mechanical FI systems … I can’t think of a reason that it wouldn’t work in a EFI system, but have not had opportunity to try it.
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Old 10-10-2017, 11:58 AM   #60
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Quote:
Originally Posted by Mr4btTahoe View Post
I use one of the oil filter style pump driven centrifuges from PA Biodiesel.
I have been very interested in these devices for a couple years now, but have not ever come across anybody with practical experience using them. Would you mind if I reached out to you, via pm or email with some questions?

Thanks.

T

BTW, there isn't much interest in wmo fuels when the price of diesel is low. Interest pick up with the price, the higher the price gets, the more folks look at using it.
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