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I have been experimenting with WMO for 11 years. My findings are WMO has 3 basic problems: 1] It has a massive amount of dissolved and suspended solids. 2] Some of those suspended solids are sub-micron carbon, which I have found deposited also on the fine machine parts of the injector nozzle...

Good question, gimpyrobb. Part of my goal here is to find a diesel engine that will truly burn multiple fuels; and Germany's goal was surely being able to acquire fuel along the way through their attempt to conquer Europe in the early 20th century. So, if we document these problems and...

If I had access to hydraulic oil and ATF, then I would not bother with WVO and WMO; however, I have people all of the time giving me WVO and WMO but no hydraulic oil and ATF. So, I stick with these available sources. I ran my 6.2L for 11 years on WVO at 80% blended with gasoline at 20%. Over...

Next I have a series of photos here of the inside of my M756A2 fuel tank. The fuel tank is zinc coated, which is good in the case of vegetable oil-petroleum-based fuel blends, because zinc is electrolytically active in chemistry. It is common in chemistry to use zinc as an aid in forcing...

Here are photos of an unused Parker fuel pump for the Bradly. This is how I received it. The Bradly flange will either have to be modified or replaced. Since I have 2 dead NOS deuce fuel pumps, then I plan to just remove the Parker Bradly mounting frame and flange, and install the NOS...

I was asked to upload photos of my problems and solutions to this thread. Here are the photos of the original fuel pump that came with my M756A2. The rust color on the pump frame is actually gum. It can be either scraped off or lacquer thinner will remove it. Gasoline with alcohol in it...

Sorry that it has taken me so long to get to inspecting the Parker pump. I removed the wire cage around the pump head. The cage is clearly plastic. The pump head might be plastic, but it could be pot metal. It is gray, like pot metal. But, it has a plastic-like feel to it. I plan to...

I ordered a Parker Bradly fuel pump, on frank8003's recommendation. It is expected to arrive Thursday. I will inspect it, and if the pump head is indeed plastic, then it should work. I will immerse it in my DIY fuel for a week and see if it still works.

That's useful. Thanks, gimpyrobb. However, I read through the pdf, but found no reference to the material of construction for the pump head.

It does not look like Parker is going to answer my question, so I am going to have to conclude that their fuel pump for the deuce most probably has zinc in its construction; which is not going to work for vegetable oil-based fuel.

It would be good to read what you come up with, but yesterday I sent Parker tech support my inquiry, and they have responded with:

From this photo, it looks like the base is potmetal. Parker part number 1c-20-10

The Parker fuel pump looks like a major contender. Does anyone know for sure whether the Parker pump head is made of pot metal, or aluminum, or another metal?

Thanks, folks, I will look into all of the options here, and report back, when I make a decision.

I have been running WVO on a multifuel engine for 3 or 4 years now. Last year I went through 2 fuel pumps before I realized that the NOS fuel pump for the multifuel engine is made out of pot metal, which has a high percentage of zinc in it. It turns out zinc is highly active at precipitating...