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If you check the link below you will find a report of using standard sized o-rings for testing diesel fuel blends that contain various amounts of solvents. Particularly at the specific link you will find that ULSD, which is normal pump diesel fuel available in the USA at any gas station that...

I recently drained the oil from the engine sump, and put new oil in, and changed the oil filters. Still no start, so the no start does not seem to be related to the oil level. I did notice when removing the hydraulic head that the head had to be 180° off from where it is supposed to be to get...

It looks like a good product, but I would caution against using the heater with any gasoline-based waste oil blends. The heater would not be needed any way in that case. let us all know how it works out for you.

From discussions with an engineer who was working on installing peaker plants, they commonly use turbines that are powered off natural gas lines, which suggests to me these turbines are not as expensive as described above. The whole reason why Rudolph Diesel invented his compression ignition...

There have been a number of experiments with burning recycled waste oils in turban engines. I think it is mostly for publicity, because, as pointed out above, the fuel is cheap compared to the cost of the engine. However, if we are going to talk hypothetically, then, yes, I agree, the...

This is a pretty good description of a successful waste oil processing method. However, I would add a few differences in my system: 1] I found no matter how long I leave WMO sitting around, if it is not thinned with a solvent, like diesel fuel, then the particulate will never settle out. 2]...

This sounds like an interesting idea for cleaning up WMO. I plan to try.

While I have not tracked down any research reports on burning waste oil-based fuels on a multifuel engine, I have been experimenting on burning waste oils and waste solvents on a N/A 6.2L GM diesel engine for 8 years. During that time I have also been collecting reports from people on the...

The alternative fuels section here is full of ideas for DIY diesel fuel. So, look around, and see what you think.

Sparks and matches, otherwise there is no reason why a gasoline-based waste oil diesel fuel will catch on fire. No, gasoline in the blend acts as a fire starter, so it improves the combustion of the heavier oils. If you never add gasoline to your waste oil, then the sediments will never...

If you add gasoline to your waste oil prior to running it through a centrifuge, then you will not need to heat your blend to get the centrifuge to do its work, so you should not smell much gasoline when running it through your centrifuge. Additionally, if you settle your gasoline-waste oil...

An IBC tote should work fine for storing any petroleum distillate for years. The only problems that would arise are: 1) Breakdown of the HDPE from ultra-violate radiation from the sun, so it should be kept out of the sun. 2) Embrittlement from the cold, so it should not be stored outside in...

After reading through this, and other threads on this topic, I ordered a set of o-rings, removed the hydraulic head on my 1969 M756A2 ultrasonic cleaned it, then reassembled it. The engine still would not start. I also found the plug on the side of the hydraulic head leaked badly, so I...

An update here. The rebuilding of the DB2 injector pumps turned out to be a massive amount of work, for no useable results. I suspect that by the time one of these IPs fail, its hydraulic head is worn out, and will not make pop pressure, so I will not be doing it again.

Yes, I bought each of those failed IPs from the junkyard for $35ea. So, one could argue that the failures were due to the age of the IPs only; and regardless of the cause of those failures I was well ahead of the financial curve replacing them annually. Greg, myths die hard. There is...

I recently dismantled 5 dead DB-2 injector pumps from my 6.2L diesel engine, and found every one of them had a significant layer of ultra-fine particles adhering tenaciously to all of the metal surfaces inside of all of the IPs. Two IPs had broken shafts and the rest had warn out hydraulic...

At the end of yesterday I succeeded in removing the hydraulic heads and drive shafts off of 4 of my dead DB2 IPs. They were glued on with high melting point esters (fat), so it required heat+diesel fuel+ultrasonic cleaner+pulling hard+wiggling+twisting to get them off. There were 2 broken drive...

After making more progress with rebuilding 4 dead DB2 IPs using the TM 9-2815-237-34, Section 2-32, I will have up update my comment here, because I found the Factory Service Manual, posted above, was a useful addition to the TM. I still have not gotten the hydraulic head or drive shafts...

I downloaded this manual elsewhere. I found it is an incomplete manual that describes an old version of the DB2 IP, and is not complete enough to dismantle a more recent model of the DB2.

Thanks, everyone for all of the input. This is a great site. Thanks, jbayer, for the list of o-rings needed. Is it one each. or more?