User's Manual

P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)
7
Fig. 5-a
5. FUEL MANAGEMENT UNIT
A. Disconnect and discard the factory rubber fuel
return line running from the fuel pressure regula-
tor outlet to the steel return line located under the
vehicle.
B. Remove the relay from the factory bracket/tab
near underhood fuse box. (See
Figs 5-a, 5-b .)
Remove the bracket/tab from the vehicle and
discard. Move the relay toward the underhood
fuse box to make space for mounting of the
Vortech FMU.
C. Position the FMU onto the driver side inner
fender as shown in
Figs. 5-c, 5-d . Mark and drill
holes and secure the FMU with the supplied
sheet metal screws.
D. Route the supplied 34” hose as shown in
Fig. 5-f .
Connect the FMU inlet hose (the hose that goes
to the 90° fitting on the side of the FMU) to the
return side of the factory fuel regulator. Trim
hose length if needed. Secure the fuel line away
from abrasion and exhaust with the tie wraps
provided. Make sure the hose end is securely
clamped onto the regulator outlet using one of
the supplied #4 clamps.
E. Route the supplied 28” hose as shown in the
diagram. Connect the FMU outlet hose (attaches
to the center fitting on the bottom of the unit) to
the steel return line running to the tank (see
Fig.
5-e
). Trim hose length if needed. Secure the fuel
lines away from abrasion and exhaust with the tie
wraps provided. Make sure the hose end is
securely clamped onto the return line using one
of the supplied #4 clamps.
F. Attach the supplied 28” length of 5/32” vacuum
hose to the fitting on top of the FMU. Splice the
opposite end of the hose into the factory fuel
regulator vacuum connection using the 5/32”
TEE provided. Trim hose length as necessary.
Fig. 5-b
Fig. 5-c
FMU MOUNTING HOLES
RELOCATED RELAY