Im upgrading my fuel lines to -8 kevlar braided ones, and I dont know how many feet to buy. Im going to be using the -6 stock fuel feed hard line as the return line. if anyone knows how much fuel line I will need it to run from the tank to the engine bay it would be much appreciated!

 

Stock feed line is -5 (5/16"). -6 (3/8") is more than enough, -8 is pointless. Anyway, you want 15' of -6 Aeroquip pushloc

 

and the stock return line is fine too

 

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I believe the stock Fuel feed Line is a -6 that comes on the Evo 4,5,6,7,8 & 9.Here is a link to a reference:
http://www.amsperformance.com/cart/A...Rail-Line.html[/URL]

I would like to know how long the stock gold -6 fuel feed line is. and -8 is not pointless because im planing on shooting for 800WHP on E85. I also might go for more HP and i would rather just do the fuel lines one time

 

Yeah, you're wrong, stock line is -5, that AMS section is just a short section of -6 that connects to the factory -5..........and I make 790WHP on E85 on my -6 line with NO signs of restriction (IDC is fine, etc)

Double fail, congrats! I'm very knowledgeable with lines/fittings/etc, but I refuse to try to help anymore until you want to learn.