S5 Turbo stock fuel pressure?
02-09-13, 12:30 PM
#1
S5 Turbo stock fuel pressure?
I'm overhauling my fuel system. Got a a1000 fpr and everything stainless braid with new fuel rails. All I could find was the factory fuel pressure for FD's. Whats the S5 turbo stock fuel pressure?
-also does it make a difference if the fuel goes filter>primary>secondary>fpr>return OR filter>Y-fitting>both rails>both fpr inlets>return???
-also does it make a difference if the fuel goes filter>primary>secondary>fpr>return OR filter>Y-fitting>both rails>both fpr inlets>return???
Last edited by Sash91; 02-09-13 at 12:32 PM.
02-09-13, 01:23 PM
#2
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The fuel line pressure (34.1 - 39.8 psi) is listed in the factory service manual. The FAQ sticky has a link to online versions of the manual.
Running the fuel lines in parallel is usually better for high-output applications with a standalone EMS, but for a mostly stock setup I don't think it makes any difference whether they are in parallel or series.
Article from Kinsler:
http://www.kinsler.com/Cat_31_High_R..._press0071.pdf
Here is a parallel fuel diagram made by RETed. It is for the S4 RX-7, but it gives you the main idea.
Running the fuel lines in parallel is usually better for high-output applications with a standalone EMS, but for a mostly stock setup I don't think it makes any difference whether they are in parallel or series.
Article from Kinsler:
http://www.kinsler.com/Cat_31_High_R..._press0071.pdf
Here is a parallel fuel diagram made by RETed. It is for the S4 RX-7, but it gives you the main idea.
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