Vortech 1999-2000 Honda Civic Si - Manual (Page 12)

P/N: 4HC020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
19JAN04 99-00Honda Civic Si(4HC v3.0)
P/N: 4HC020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
19JAN04 99-00Honda Civic Si(4HC v3.0)
P/N: 4HC020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
19JAN04 99-00Honda Civic Si(4HC v3.0)
P/N: 4HC020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
19JAN04 99-00Honda Civic Si(4HC v3.0)
4
5. FUEL MANAGEMENT UNIT (FMU) INSTALLATION
A. Using the FMU mounting bracket as a template,
mark and drill two holes in the firewall using Fig.
5-a as a reference for location. Mount the FMU as
per photo.
B. Attach the supplied 1/4” hose to the 90° barb fit-
ting on the Vortech FMU and tighten the suppled
clamp.
C. Disconnect the factory fuel regulator return line from
the bottom of the fuel regulator and connect to the
straight fitting on the bottom of the FMU using the
original clamp.
D. Attach the free end of the 1/4” hose (that was previ-
ously installed on the FMU) to the bottom of the fuel
regulator and tighten the supplied clamp.
E. Using the supplied 5/32” vacuum line and TEE con-
nect the 90° fitting on top of the FMU to the mani-
fold vacuum line connected to the fuel regulator as
shown in Fig. 5-a.
Fig. 5-a
Fig. 5-b
OUT
F.M.U.
IN
VEHICLES STOCK
RETURN LINE
(TO TANK)
ATTACH TO MANIFOLD VACUUM FUEL PRESSURE REGULATOR