AEM High Volume Fuel Rail 25130BK 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: 10-335 
© 2002 Advanced Engine Management, Inc. 
 
 
 
 
 
 
 
 
 
 
 
HI-FLOW 
FUEL 
RAIL 
 
Installation Instructions for part number: 
 
25-130 
1989-1999 Mitsubishi Eclipse Turbo 4G63 
 
 
 
 
 
 
 
WARNING: 
The installation of this Fuel Rail Kit requires the removal and installation of fuel system 
components. Improper...

! 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 before working on fuel system. 
 
1) Getting started 
a)  Make sure vehicle is parked on a level surface. 
b)  Set parking brake. 
c)  If engine has run within the past two hours let it cool down.
 
d)  Clean area around the fuel rail so that dirt cannot get into the...

 
 
 
 
 
 
 
 
 
e) Pull the fuel rail and injectors back from the intake manifold. The injectors should remain seated in the 
fuel rail. 
Notes:  
i) On some models the spark plug wires pass over the fuel rail and impede the removal of 
the fuel rail. On these models, it is necessary to remove the plastic spark plug cover and to 
pull the spark plug wires free. 
ii) It is not necessary to unplug the wire harness from the injectors. There should be 
enough space to pull the rail back and turn it upside...

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
d) Insert another 1-3024 o-ring up against the 
first shoulder. Make sure the o-ring is seated 
evenly against the shoulder and is past the 
slots for the dowel pins. 
Make sure o-ring is 
past these slots. 
f) Gently insert the end adaptor into the fuel 
rail. Make sure the o-rings stay in place and 
are not torn. Insert two 1-2061 dowel pins into 
the dowel pin holes. 
Dowel 
pins 
g)...

 
 
 
5)  Installation 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. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
c)  Insert the o-ring ends of the injectors into the AEM Fuel Rail. 
d)  Install the fuel rail/injector assembly back onto the vehicle, using the three supplied aluminum standoffs 
in place of the factory plastic spacers. 
i.  Be...

Note: Apply a light coat of engine oil to the inlet o-ring before installation. 
h) The AEM fuel rail comes with one additional fuel port. If you are running a wet nitrous oxide system, or a 
fuel pressure gauge, then this port may be used for the additional fuel supply.  If you are not in the need 
of an additional fuel source install the supplied 1/8” NPT plug.  
Note: When installing the tapered plug or any other tapered fitting into the AEM Fuel Rail, use only a 
lubricant or anti-seize on the...