Fuel line sizing

Waffles · 07-28-2011, 08:15 AM

So i am working on getting my bridgeport 12a in, and forgot to account for one thing. The factory fuel hard lined(feed and return) are TINY. I am planning on switching to woven pushlock feed, and switching the OE feed line to a return line. With the setup below, what would a good fuel line size be? I am thinking -8 should be fine, but my experience with rotary fuel systems is small.

Setup:
12a bridgeport
RB Holley intake
Holley 650
140 GPH pump

730RWHP12A · 08-08-2011, 10:45 AM

1/2" feed and return line will be more than enough.you can buy a roll of 1/2 aluminum hardline from jegs for about $40.00. enough to do your car....
you cant go too big on your fuel system though , so if you wanna do -8 then go ahead...

07-28-2011, 08:15 AM	#1
Waffles Rotary Fan in Training Join Date: Dec 2010 Location: St. Louis iTrader: (0) Posts: 55 Rep Power: 14	Fuel line sizing So i am working on getting my bridgeport 12a in, and forgot to account for one thing. The factory fuel hard lined(feed and return) are TINY. I am planning on switching to woven pushlock feed, and switching the OE feed line to a return line. With the setup below, what would a good fuel line size be? I am thinking -8 should be fine, but my experience with rotary fuel systems is small. Setup: 12a bridgeport RB Holley intake Holley 650 140 GPH pump

08-08-2011, 10:45 AM	#2
730RWHP12A Rotary Fanatic Join Date: Mar 2008 Location: chatsworth, california iTrader: (8) Posts: 349 Rep Power: 17	1/2" feed and return line will be more than enough.you can buy a roll of 1/2 aluminum hardline from jegs for about $40.00. enough to do your car.... you cant go too big on your fuel system though , so if you wanna do -8 then go ahead... __________________ rotaryshack.com

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