Vortech 2003-2004 Chevrolet SS User Manual

Page 38

P/N: 4GL020-015

08OCT08 GM Trk/H2(4GL..015v5.0)

C. Install the supplied 4GL012-090 alum inlet

duct to the end of the molded inlet duct using

Ø3.5” x 2” sleeve and two #56 hose clamps.

(See Fig 12.D-d)

D. Secure the Ø3.5” x 9” long flex hose to the

alum. inlet duct using a #52 hose clamp. (See

Fig 12.D-d).

E. Install the 3/4"NPT x 1” 90° fitting and the 3/8

NPT x 3/8 barb 90° fitting in the 4FA012-013

inlet duct. (See Fig 12.D-e).

F. Secure the 4FA012-013 duct to the S/C using

a Ø3.5 x 2” sleeve and two #56 hose clamps.

G. Connect the Flex hose to the 4FA012-013

duct and secure using a #52 hose clamp.

H. Slight bending of the brake lines may be nec-

essary to clear the inlet ducts.

I. Cut the supplied 45° hose so the one leg is

approx. 2.75” long and one is approx. 1.5”

long. (See Fig 12.D-f).

J. Attach the long end of the hose to the plastic

inlet duct and secure with the hose clamp that

is provided. Install the compressor by pass to

the open end of the hose just installed and

secure with a hose clamp.

K. Using a length of hose cut from the previously

install formed hose connect the compressor

bypass valve to the discharge duct coming

out of the Supercharger. (See Fig 12.D-g)

L. Attach the 5/32 hose installed in an earlier

step to the inlet port of the compressor

bypass..

Fig. 12.D-d

Fig. 12.D-e

Fig. 12.D-f

Fig. 12.D-g

12.D 2008 H2 HUMMER INLET DUCT INSTALLATION con't

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