Need some advice on a vent line.

I built a Jetmach 60 and am wondering how to put the vent line in. Can I double back the vent link back on the tank like gassers do?

On my past jets I just vented to the bottom directly from the tank, but always had to deal with fuel spilling everywhere all the time. Are there any advantages/disadvantages of venting like the "gassers" ?
Thanks in advance