View Full Version : split fuel rail mod need advice
legacy360.
04-22-2013, 01:39 AM
so i just modified the fuel delivery on my subie in preparation for a turbo down the road. now i am faced with a problem. ok so i used 2 passenger side fuel rails to maintain pressure on both sides of the engine, but i have run into a problem. what do i do about the second Fuel pressure regulator? do i just route the second FPR with a T into the original nipple for the passenger side rail?
left side of image = new rail on drivers side. right side of image = stock passenger rail.
http://imageshack.us/a/img10/9956/0419131546.jpg
chuckthefuk
04-25-2013, 10:39 AM
more info more pics please.
anothernord
04-25-2013, 11:24 AM
Yeah, both FPR's return lines need to T together and go to the return line to the gas tank.
Reason
04-25-2013, 01:38 PM
I'm doing a parallel fuel mod but I'm using one aftermarket FPR. I can send you the info I have, but its a whole different setup than what you got going on here so it might not even be any help...
legacy360.
04-30-2013, 03:00 PM
anothernord: thank you i have that down. what i mean is the vacuum line that comes off the FPR. ill upload more picks soon.
r3v_v3ng3
05-01-2013, 10:35 AM
You can just T off any vacuum lines for the second FPR.
When I did mine, I took off the stock FPR and used another fuel rail line. I then ran it thru a aftermarket adjustable fuel regulator.
legacy360.
05-18-2013, 03:27 AM
thank you :) should have this done this week if all goes to plan
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