Street/Strip fuel hose suggestions....

Lessie if my memory on this stupid AN stuff is still good.......6 is 3/8, 8 is 1/2 and 10 is what? 5/8? What in the hell are you doin with fuel line that big? Flyin the space shuttle?
......uh.....no.....but if I wouldn't mind if I had to get clearance for launch from NASA when I take it to the track! : D Aeromotive recommends -10 feed and -8 return - who am I to argue???