Fuel line size

[Jstroud]

On my rv 3 what size lines do I use for tip tanks to the cockpit?

 

[TS Flightlines]

On my rv 3 what size lines do I use for tip tanks to the cockpit?

TYpically -6 for fuel.

 

[Jstroud]

On my rv 3 what size lines do I use for tip tanks to the cockpit?

I found out it is 3/8 fuel lines , can I use steel zinc coated lines?