a6t8vw Posted March 1, 2007 Share Posted March 1, 2007 hi, i was installing my holly fuel punp for my v8 and got a little confused. Since the car was EFI there are 3 lines going to the tank.. one on the top of the tank one middle one lowest whats what? also im going to run a mallory bypass regulator thx andy Quote Link to comment Share on other sites More sharing options...
naviathan Posted March 1, 2007 Share Posted March 1, 2007 Top is vapor vent, middle is return, bottom is feed. Quote Link to comment Share on other sites More sharing options...
Tony D Posted March 6, 2007 Share Posted March 6, 2007 Biggest one (7/16") is pickup, the one next to it that is 5/16" -- return, and anything else is a vent, most likely 1/4" Quote Link to comment Share on other sites More sharing options...
a6t8vw Posted March 6, 2007 Author Share Posted March 6, 2007 Top is vapor vent, middle is return, bottom is feed. OK its top VENT middle FEED! and bottom return.. for 78 280z tank Quote Link to comment Share on other sites More sharing options...
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