Changing fuel lines, what size is evap line?

[Gnx6]

I am going to be changing out all my fuel lines on the car. Not sure what size the Evap line is from the fuel tank up to the charcoal canister. Going to just replace it with rubber.. What size is it? Thanks!

 

[RmvBfrFlght]

It is a 5/16" line.

The 1/4" line is the EFI return, with the 3/8" line being the fuel feed to the EFI.

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