If I were to make a new used oil filtering system I would make it out of 30 gallon tanks instead of the large 55 gallon ones.

 

So the "hutch mod" is not needed then?

what is the benefit of doing this mod?

 

It is believed air is sucked from some rubber flapper one way valve attached to the internal filter that some believe goes bad. I think the flapper is last eliment og the return fuel line. This air in the fuel line is not good and usually happens when the tank is 10 gallons or lower. The entire filter within the tank is removed eliminating the flapper thing as well. The Mod adds an external filter with water seperator. Googl Hutch Mod and read about it on this and other forums to fully understand it. But that is the jist of it. If you run dirty oil in your tank and those filters get clogged you will be forced to fix/change/modify them. Doing it first on your own time eliminates the breakdown as after the mod you would just change a spin off filter.

 

will do. thanks man.

 

Thanks for all the info guys.

I'm still collecting oil.

Is there a general consensus as to low a micron final filtration needs to be? So far most of my oil is virgin with some of it being used engine oil. The engine oil that I have collected though has been from low mileage vehicles though (operated less than 2-3k since last oil change with 100% synthetic fluid).

I'm also trying to figure out how I can collect/filter/collect all the oil. Right now my "process" is very time consuming and all I'm doing is removing larger particles.

 

I have heard synthetic does not burn well. I have not tried synthetic, not to say there may be some in my mix.
McMaster Carr has 5 and 1 micron filters that will go inside a whole house canister. I push my used oil through a 1 micron filter with air.

 

in general, the finer the better. but for you running mostly virgin oil, you don't have near as much to worry about as the guys running true waste.
as for how to filter it, either have it in a barrel with a fitting on the bottom and a hose running from there to your filter, and from it to another container, or have all the filters on the outlet of a pump. a good gear pump such as the oil pump found inside your engine is best, but beware that it can produce very high pressure, so make sure you don't leave a valve closed and blow up your lines.

 

I run synthetic oil in a blend at 50/50 with diesel with no problem. it starts and runs great the and no smoke, however it will start easer on cold mornings if I add some RUG to the mix about 5%..my oil is virgin 0/20 wt syn, and I don't filter it until right before it go's in the tank with a spin on 10 micron filter, and electric tank top pump. pumped from old home, farm type 275 gallon tank..OEM Ford fuel filter is 6-10 microns, 2micron filters are available racor PF 829B, You can't filter out the black of used moter oil,particals smaller than 2 microns should not be a problem, emulsified water is more problematic. if your setup uses standard oil filters they have a bypass that opens at 1 Barr of pressure differential, (aprox 22 lbs) at the filter media so becarefull not to force the oil to fast thru engine oil filters in a home built fuel set up..and most oil filters only filter to 20-30 microns,OEM, fine for prefilltering,,if I was running WMO I would prefillter, blend with Diesel then go hole house 2 micron type filter...and call it good

 

Subscribing to this as I too plan on adding some used engine oil to the tank of my truck. I am only a couple days into my research on this and so far it seems easy for us IDI guys. I am not wanting to run pure oil or even a 50/50 mix. Just thinking 5 of oil to a tank so it should be around 25%. I do however have one small isue. How to filter this stuff. I am thinking about doing a gravity system in wich I use denim (old jeans) to pre filter, then a 10 or 20 micron bag filter, lastly a 2 or 5 micron bag filter.

Any thoughts as to where to find decent pump to push the oil if I go larger with this? Right now I have about 55 gal and a couple buddies are going to give me there used oil. If I can start of cheap and adding used oil doesn't cause any damage, decresse MPG significantly or become a hassel of obtaining, I may see about setting up a better pumping/filtering system.

Thanks guys and to the OP I hope I didn't hijack your thread to much. I just didn't want to start a new one when this one is talking about the same stuff and is still active.

 

well, i have two pumps with my system. the first one i built was a power steering pump which had a suction hose to a remote reservoir, bolted to a board and belt-driven with an electric motor. its absolutely terrible about suction, but it works.
my other pump is an engine oil pump out of an old ford engine. its also bolted to a board. it has great suction, pressure, and flow, but has small downsides. first, it leaks oil out around its driveshaft, so you'll need to keep it over some kind of drip pan. also, its powered by a cordless drill, so i can't walk away and leave it running.

using the engine oil pump, i would run its output to one of those cheap plastic gasoline filters like we would add before the carb on an old gas engine, those filters cost like 3 bucks each and are available everywhere. i'm told they filter to less than 5 microns, but i really don't have a definite number i can say with confidence.

when this was my system, i would just pour a few gallons of filtered oil into the tank of diesel, and let it mix while driving.
more recently i picked up a bigger system, which is better for my current use of running 50-60% continually. i'm now mixing it in a barrel and using a much larger filter as it drains from the mixing barrel.

FWIW, my very first system was filtering through a pair of blue jeans, the problem came when they got clogged up with 3+ gallons of oil in them and i had quite a mess! it worked, but using a proper filter doesn't cost a lot and makes less mess.