What bore fuel lines are people using with circular of 500bhp power ????

[neo1]

As per title really guys ???

im having issues check here if you might be able to help....

http://www.escortrscosworth.com/foru...ad.php?t=29585

[Mark King]

Two - 6

[neo1]

So is that about a 8mm internal bore ??? just wondering if ive got fuel starvation issue on mine see but i used 10mm external harline thats all...