Well, I've finally got the dual tank set-up connected to a 6-way valve. I've been looking for a used fuel valve for a long time, and could never seem to find one locally. Bid on 2 on eBay, and missed the second one as someone out bid me on the last 30 seconds. I hope they enjoyed it.
Now I can flip a switch on the dash and change from #2 diesel to er, whatever I have in the second tank. Right now it's some diesel, with quite a bit of cleaned used canola oil (I was careful not to pour on the white stuff from the bottom - fat?) and some hydraulic fluid also. I don't have the coolant lines hooked up yet, but after starting on diesel, it doesn't seem to mind the cold "solution" <img src="/forums/images/graemlins/zombie.gif" alt="" />. I haven't put many (s)miles on it yet, but driving it on free fuel for the most part feels GOOD! <img src="/forums/images/graemlins/nana.gif" alt="" /> to high fuel prices! Mind you the wife still drives the gasoline car... <img src="/forums/images/graemlins/frown.gif" alt="" />

The second tank sits in the box of my truck. It is actually from the stationary Kubota diesel engine I have from one of those highway flashing ARROWS that you see during road construction, so some mods were required, as it wasn't designed to be a mobile tank and wanted to seep out fuel from the fill cap and vent. Heating it for now consists of coolant lines bundles with fuel/return lines to the tank, covered with foam pipe insulation, and the plastic pipe clamped down against the bottom of the tank . Pretty weak heating, but I didn't want to go through the work of in-coil heating, if all this wasn't going to co-operate in the first place. Besides, a lot of the problem of WVO comes from the fat in the oil that solidifies and plugs everything. If I can keep that out of the tank then a lot of the problem won't be there. The oil I get is pretty clean and over half of it doesn't have this in it.

I will let you know how well it works..or doesn't...after a few more miles.

BTW, the cheapest 6-port valve I could find was at JC Whitney (in the US for us Canucks). It was $53 and change, comes with a switch and plug with short wires for the valve. They are good to deal with. I received the valve sooner than I expected. They are quick.

Cheers for now. <img src="/forums/images/graemlins/cheers.gif" alt="" />