Where to vent a shoe box gas tank ?

I've put a mustang gas tank in the trunk of my shoe box, like most guys do, but where do you guys vent it from?

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My 55 shoebox has a vent from the fill pipe over to the left fender well, then up almost as high as the inside of the 1/4, then outside behind the tire. Mine is a tudoor.

 

Anywhere that you'd like, but run it up from the vent outlet about 6" first, then back down and out through the trunk pan. If you run it out low right out of the vent it can get fuel puddling in the line from slosh.