Vortech 1993-1997 5.7L LT1 F-Body User Manual

Page 19

P/N: 4GH020-010

05NOV01 v1.2

4.2 AIR PUMP MODIFICATION AND RELOCATION (1994-97 MODELS)

A. Unplug the wiring assembly, clamps and

hoses from the air pump.

B. Remove the unit from the mount by removing

the mounting nuts. Remove the pump mount
and spark plug wire hold-down from the
vehicle.

C. Using a tubing cutter or hacksaw, cut the 5/

8" steel air line that runs from the
passenger's side exhaust manifold to the
driver's side exhaust manifold. Make the cut
in the area shown in

Figures 4-c, 4-d

(approximately 2" off of the crank).

D. Attach the supplied 5/8" x 35" hose and #8

clamp onto the previously cut air pump tube.

E. Route the hose along the power steering

lines (on the rack and pinion assembly) and
up through and between the engine-to-frame
area on the driver's side using tie wraps
where necessary.

Rotate the left side check valve

elbow on the exhaust manifold
180

from its original position (it

should end up pointing to the rear).

G. Cut the 5/8" factory air pump

discharge hose as shown in

Figures 4-e, 4-f

. Attach the hose

to the supplied 5/8" TEE and
exhaust manifold check valve as
shown in

Figures 4-h, 4-i

on page

CUT HERE

ATTACH THIS END TO
ROTATED EXHAUST
CHECK VALVE

STEEL TUBE
PREVIOUSLY
REMOVED

SOLENOID

VACUUM COUPLING
(REINSTALL INTO
RELOCATED AIR
PUMP DISCHARGE
ALONG WITH
VACUUM LINE AND
SOLENOID)

VACUUM
LINE

FRONT

REMOVE
THIS
PORTION

CUT HERE AND
INSTALL 5/8" X 35"
HOSE USING
SUPPLIED #8 CLAMP

HARMONIC

BALANCER

CUT HERE

THIS END TO
ROTATED EXHAUST
CHECK VALVE

STEEL TUBE REMOVED
PREVIOUSLY
(SEE GRAPHIC A)

REINSTALL
INTO
RELOCATED
AIR PUMP
DISCHARGE
HOSE

Figure: 4-c

Figure: 4-e - 1996-97 Models

Figure: 4-f - 1993-95 Models

Figure: 4-d