Compression Ignition Addict
Join Date: May 2013
Location: Calgary Alberta
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ZMANN your right on track I think, but I think the factory tanks now are only vacuum vented due to emissions controls where it's not allowed to vent fuel vapours into the air.
Having said that, I like where your going with the PWC vent valve and it would be awesome if you could show me a similar valve! My idea is to T the factory vacuum vent line, one side of T has factory (titan) vacuum vent and the other will have my own pressure vent at 3-4 PSI.
With that setup when I am pumping fuel into the titan tank at 72 GPH it won't allow it to build more than 3-4 PSI, while when I'm not pumping it will act as normal with just the vacuum vent.
Aside from that the aux tank has a vented cap for both vacuum and pressure so it should be good to go.
2012 F350... Problems so far: Rear pinion seal, rad split, U-Joints, Waste gate tubing TSB.
4.5" Carli Lifted, 2.5" Kings, 37" Toyoed, Carli bagged, Wireless compressored, 5th hitched, rigids on both ends, slip tanked, titan tanked, upfittered, 12v pumped. All around good ride very well taken care of.