AEM High Volume Fuel Rail 25111BK User Manual

ADVANCED ENGINE MANAGEMENT INC. 
2205 126TH Street, Unit A Hawthorne, CA. 90250 
Phone: (310) 484-2322 Fax: (310) 484-0152 
Http://www.aempower.com 
Part Number: 10-327 
© 2002 Advanced Engine Management, Inc. 
 
 
 
 
 
 
 
 
 
 
 
 
 
HI-FLOW 
FUEL 
RAIL 
 
 
 
Installation Instructions for part number: 
25-111 
 
 
 
 
  

WARNING!   
 
Read and understand these instructions BEFORE
 attempting to install this product. 
 
• Do not smoke while working on the fuel system. 
• Keep open flames or sparks away from your work area. 
• Be sure to relieve fuel pressure while engine is off. 
 
1) Getting started 
a)  Make sure vehicle is parked on a level surface. 
b)  Set parking brake. 
c) Disconnect the negative cable from the negative battery terminal.  (Make sure you have the anti-
theft code for the radio, then write down the...

3)  Stock fuel rail and injector removal 
a)  Remove the bolts securing the engine cover brackets.  (Figure A) 
b)  Disconnect the fuel inlet fitting at the fuel rail.  (Figure B) 
c)  Disconnect the wire connectors from the fuel injectors.  Remove the bolt securing the ground strap on 
the fuel injector wiring harness.  Remove the harness holder from the holding tabs.  Remove the wiring 
harness from the harness holder.  (Figure C & D)
 
d)  Remove the injector clip from the injectors.  (Figure E) 
e)...

 
4)  Assembly of the AEM Fuel Rail 
a)  Remove the old o-rings that are on top of the injectors. 
i)  Coat the new o-rings supplied with the kit, with clean engine oil. 
ii)  Install the new o-rings onto the injectors. 
b)  Insert the o-ring ends of the injectors into the AEM Fuel Rail. 
c)  Install the fuel rail/injector assembly back onto the vehicle. 
i)  Be careful to ensure that none of the seals get damaged. 
ii)  Make sure that all seals and o-rings are properly seated. 
d)  Install and tighten...

Figure A 
Port Plug & 
Crush Washer 
Figure B 
Fuel Fitting, Banjo line 
& Pulse Dampener 
Figure C
Fuel lineAdditional Fuel Ports 
Figure D 
Figure E Figure F  

 
5) Finishing Touches 
a)  Connect the negative battery terminal. 
b)  Turn the ignition switch to the on position for approximately two seconds.  Do not operate the starter.  
Then turn the ignition switch to the off position. 
c)  Repeat this procedure three times, and then check all components that were removed during installation 
for any signs of fuel leakage. 
i) Be sure to check the area around the fuel inlet fitting, the –6 plug and the 1/8” NPT plug.  If 
these three items were not installed...