Hey guys, been a while since i was on the forums here. Now im back to working of my 71, so back to the forums. My nova is getting revitalized with a TPI setup:grinyes:

The information i need is what all the extra lines are running out/in to the gas tank. I need to to run a high pressure line to the feul pump and a return line. also need to vent my tank (if its not already)

Can I use one of the existing lines for the return? Do i need to vent the tank?
what are the lines that go up into the area behind the back seat?

any help greatly appriciated - zach