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4. Install the hose end side of the -4AN hose onto the -4AN coupling
on the return port of the fuel pressure regulator. Slip the end with
the #4 hose clamp onto the factory steel return line. Slide the #4
hose clamp over the end of the hose and tighten around the end of
the factory steel return line. Slide the #4 hose clamp cover over the
clamp.
5. Make sure all connections are tight. Check the overall fuel line
routing, and using the provided tie-wraps, secure the fuel lines away
from any heat sources if necessary
(See Fig. 8)
.
NOTE: The instructions above describe the hose end locations
used for our particular installation. You may use the supplied
hose ends in any location necessary for your configuration.
3. Install the 90° hose end side of the fuel rail to fuel pressure regulator
line onto the fuel rail’s outlet end. Attach the 45° hose end side of
this line onto the -6AN dry-sump fitting on the inlet side of the fuel
pressure regulator
(See Fig. 7)
.
©2007 Edelbrock Corporation
Brochure #63-641570Page 4
Catalog #641570, 641573
Rev. 5/07 - RS/mc
5. Determine the length of -4AN (Twist-Lok or Pro-Classic) hose
required to reach from the fuel pressure regulator to the factory
steel fuel return line. Measure and cut the hose making sure the
hose will not be kinked after installation.
6. Slip the -4AN Twist-Lok hose end cover over the Twist-Lok Hose.
The tapered end of the cover should face away from the end of the
hose. Insert the -4AN Twist-Lok hose end into this end of the line
and slide the hose end cover up to the hose end. For Proclassic
hose, assemble the the -4AN hose end on one end of the hose as
described in step 4 above.
7. Slip the #4 hose clamp cover and then the #4 hose clamp, over the
other end of the -4 hose, but do not tighten.
ASSEMBLED FUEL LINE INSTALLATION:
1. Install the Honda banjo to -6AN male adapter fitting to the
assembled fuel filter to fuel rail supply line. Install the banjo end to
the fuel filter using the factory banjo bolt and the supplied 12mm
crush washers. Use one washer on each side of the banjo fitting
(See Fig. 5)
.
2. Install the -6AN straight fitting end of the fuel rail supply hose to the
inlet side of the fuel rail
(See Fig. 6)
.
Figure 6 - Fuel Rail Inlet
Figure 7 - Fuel Rail to Regulator Line
Figure 8 - Overall Fuel Line Routing
Figure 5 - Banjo Fitting Installation
FINAL CHECKS:
1. Reconnect the battery negative terminal and check for leaks. Refer
to the “AFTER INSTALLATION, BEFORE STARTING VEHICLE” section
on page 1 for details. Remember to enter your audio system
security code if so equipped.
2. Adjust fuel pressure to the desired level. Refer to the instructions
provided with the fuel pressure regulator for proper adjustment
procedure.