Some pic's of the installation attached
The hardest part of the installation (not including getting the time to do it) was finding places to physically mount the stuff to. I ended up using a length of 100mm cable tray to mount the heat exchanger, relay, din rail terminals, heated filter and 6 port valve.
The new fuel lines from the valve to the aux diesel tank run from the valve and are zip-tied to the existing fuel lines under the car and then come up through a grommet under the back seat where they then pass under the rear seat into the boot. I have left enough slack on them so that the aux tank can be lifted out of the boot for filling if required, although I can just open the boot, unscrew the cap and fill it from a pump in situ.
The aux tank is a bit bigger than I would have liked, but it offered the best shape/size combination I could find at the chandlers. There is a semi-transparent strip on the side to check the level, but I can't see the fuel behind it! so I'll just have to unscrew the cap and peek in.
I will try adding some food dye to the fuel to see how long it takes to purge the veg oil from the pump, at the moment I'm allowing about 1/2 a mile to purge at the end of the journey and it seems to work.
Future works
1) find a better way of securing the aux tank. It's fairly solid at the moment, but I wouldn't want it flying around in an accident.
2) add a buzzer, via the courtesy light to remind me if I haven't purged when I open the door.
3) add a low fuel level indicator to the aux tank.
4) wire up the light in the heated seat switch to give a visual indication when in purge or auto mode.
Regards
TFB
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