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Yes you should have the 4 tubes, they go up to the vent tube in your trunk next to the filler tube. Yes you can use a tank without them but your vapor return line will also need to be eliminated. They are available as a reproduction with the tubes if you want to use them
I'm getting the new tank to do an in-tank fuel pump for EFI and will be running a return line. Does any of that matter? Is there an advantage to having the vapor return line?
Some see the glass as half empty, some see the glass as half full. I just drink straight out of the bottle.
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