How to build a quick drain system w/duel tankes

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woodardjared's picture
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Joined: 05/26/2004

I have a f340 with duel tanks and wonderd if anybody new how to build a Quick drain systm that would that would transfer from veg. to reg. deisel defor shuting the truck off in cold weather in one minuet or less.

Justgreasenofries's picture
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Joined: 04/13/2004

You can install a three port valve that would divert your diesel return to your veggie line to "backflush" your veggie line with diesel fuel to prevent freezing, it would be under one minute.