Vortech 2003-2004 Chevrolet SS - Manual (Page 27)

9
P/N: 4GL020-015
©2008 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
08OCT08 GM Trk/H2(4GL..015v5.0)
STOCK RETURN LINE
(TO TANK
TO VOR ASS VALVE TECH COMPRESSOR BYP
STOCK MANIFOLD
VACUUM LINE (REMOVED FROM
FUEL REGULATOR)
FUEL PRESSURE
REGULATOP
ARROWS INDICATE THE
DIRECTION OF FUEL FLOW
F.M.U.
1. REMOVE THIS FITTING FROM THE
TOR RETURN LINE FUEL REGULA
3. ATTACH THE SUPPLIED VACUUM LINE
AND TEE INTO THE FUEL REGULATOR
MANIFOLD VACUUM LINE (LINE TO BYPASS
VALVE WILL BE INSTALLED LATER)
2. ATTACH EACH OF THE FMU LINES
TO THEIR RESPECTIVE SNAP
CONNECTORS
STOCK SUPPLY
LINE (FROM
TANK)
8. FUEL MANAGEMENT UNIT (FMU) INSTALLATION ('01-'02 Denali/Escalade Only)
A. Mount the supplied FMU as shown in Fig. 8-a
using the existing studs on the firewall as fol-
lows:
1. Remove the nuts securing the factory
ground straps.
2. Install the FMU over the studs.
Fig. 8-a
Fig. 8-b
Fig. 8-c
C. Using the supplied 5/32" vacuum line and
TEE, connect the 90° fitting on top of the
FMU to the manifold vacuum line connected
to the fuel regulator. (See Fig. 8-c.)
NOTE: The fuel tank return line extends from the fuel regula-
tor to the tank. It is smaller than the fuel rail supply
line.
3. Loosely reinstall the nuts on top of the
FMU bracket.
B. Disconnect the fuel return line from the fuel
rail and connect the respective lines to their
snap connectors on the end of the FMU lines.
(See Fig. 8-c.)
NOTE: Not all vehicles have the studs in the same location.
Drill an additional 1/4” hole in the fmu bracket as
required. (See Fig. 8-a.)