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Original post by: hamjtrucks ,


The FASS system should have nothing to do with the Volvo fuel system, it simply hooks up at the supply line from the tanks, the outlet goes to the factory fuel pump and the FASS return line goes to a splitter that returns like amounts of fuel to each tank, if your tanks only have 1 vent hole in each tank, you can stack the vents with a "t" and both returns can go in the same hole.  Hope this helps!