fuel lines in 80's monte carlo with 305

[bryguy39]

what size are the fuel lines in a 80's monte carlo with a 305? im looking to run new ones on the other side for a chevy motor in my 87 cutlass any idea what route i should go?thanks bryan from tank to carb

 

[bryguy39]

please anyone? i need to know so i can order parts. thanks bryan

 

[Blake442]

I think it's 3/8ths for the main fuel line, not sure about the return if you have one or not...