Bypass valve installation, Air inlet duct installation, cont’d – Vortech 1999-2000 Honda Civic Si User Manual

Page 24

P/N: 4HC020-010

19JAN04 99-00Honda Civic Si(4HC v3.0)

P/N: 4HC020-010

19JAN04 99-00Honda Civic Si(4HC v3.0)

P/N: 4HC020-010

19JAN04 99-00Honda Civic Si(4HC v3.0)

P/N: 4HC020-010

19JAN04 99-00Honda Civic Si(4HC v3.0)

14.

bYPASS VALVE INSTALLATION

A. Use the supplied 1” hose to connect the bypass valve

inlet to the 1” barb on the supercharger discharge

tube/duct. (See Fig. 14-a.)

B. Connect the bypass valve outlet to the air inlet duct

with the supplied hose.

C. Tighten hose clamps on each connection.
D. Using supplied 5/32” vacuum line and TEE, connect

barb on bypass valve to manifold vacuum. Use the

manifold vacuum line connected to the fuel regula-

tor.

E. Connect the supplied 3/8” hose from the valve cover

breather barb to the inlet duct 3/8” barb previously

installed.

F. Lengthen the air temp sensor plug wires using the

supplied butt connectors and wire and connect to

sensor.

G. Install the supplied 3-1/2” flex hose with two #52

clamps between the supercharger and the air inlet

elbow.

H. Tighten all hose clamps.

13.

AIR INLET DUCT INSTALLATION, cont’d.

B. Install the supplied air filter on the remaining 90°

elbow (does not have any drilled holes). (See Fig.

13-b.) From below, insert elbow through hole in

fender-well. Attach 3 1/2” sleeve to the protruding

part of the elbow and tighten clamp.

C. For standard non-aftercooled kits, insert the supplied

aluminum ring into the sleeve so that it sits flat on

the top of the plastic elbow just inserted. (See Fig.

13-c.)

D. Install the elbow with holes into the sleeve with the

1” barb nearest the supercharger. Orient the lower

elbow for maximum air filter and elbow clearance

and tighten #56 clamps.

Fig. 13-b / Aftercooler water tank not

shown for clarity

Fig. 13-c / Standard kit inlet

restrictor installation

NOTE: Do not attempt to operate non-

aftercooled vehicles without the inlet

restrictor installed. The vehicle may

detonate on pump gas.

Fig. 14-a