I've done a little research on the 2 tank systems, and it seems that they are a lot towards the low quality, not much research done on them systems, and require the use of diesel, which I am totally staying away from.
A 1 tank system requires no purging, and you can start up and go all year round. They are safer,but they cost a little more. You can also mix diesel/bio diesel/and UCO all together in the tank.
I don't mind filtering out the WVO. I'd like to have some fun experimenting and taking time on this, so I'm looking for pretty much any info and precautions while going into this.
Theres a company in germany called ELSBETT that makes professional 1 tank systems. They've been doing it for 30 years and the systems are tested and are known by DIYers to not be a scam. They use specially made injector nozzles, increased injection pressure and stronger glow-plugs, in addition to fuel pre-heating. There are 2 filters and on one filter, theres a fuel heater that heats the oil until the engine coolant gets to 160degrees, in which the heater exchanger switches off the fuel pre-heater and uses the heat from the coolant to heat the fuel. theres also a manual fuel pump thing to clear the remaining fuel from the fuel lines after you have stopped the vehicle.
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