Factory fuel line sizes?

[CSVT#49]

Looking into fuel lines and rerouting and building a new setup. However I'm wondering what the stock fuel line sizes are? I've done a few searches with no luck. Keep finding threads about fuel line leaks... anyway if anyone knows that would be awesome. Thanks.

 

[00stealthySVT]

supply line up is 3/16 i.d. for a car with returnless system

 

[CSVT#49]

hmmm I have a return.

 

[00stealthySVT]

yeah not sure on the return style, however mine being converted i have -6an feed and supply.