Vortech 1994-1995 7.4L TBI Truck/SUV - Manual (Page 20)

P/N: 4GC020-010
©2001 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
15SEP01 V1.1
(88-95 GM Lt Trk(4GC))
ALT
TENSIONER
SUPERCHARGER
POWER
STEERING
WATER
PUMP
CRANKSHAFT
IDLER
A/C
TENSIONER
ALTERNATOR
3/8-16x1-1/4"
3/8-16x1"
SUPERCHARGER
MOUNTING BOLTS
MOUNTING PLATE
A. Using the stock accessory drive belt, install as
originally installed.
B. Loosely attach the tensioner bracket to the
supercharger with the fasteners provided. (See
Figs. 9-a, 9-b.) Make sure to use the washers on
all locations.
C. Adjust belt tension by rotating the adjuster plate
with a 1/2" drive socket and extension and
secure.
MOUNT TENSIONER
WITH SUPPLIED FASTENERS
YOU MUST USE THE WASHERS
MOUNT TENSIONER WITH
SUPPLIED FASTENERS.
NOTE: WASHERS MUST
BE USED ON ALL LOCA-
TIONS.
NOTE: It will be necessary to reset the
belt tension after approximately
250 miles.
FOR 1988-1993 MODELS ONLY
8. SUPERCHARGER MOUNTING
A. Attach the supercharger drain hose to the fitting
on the bottom of the supercharger and secure
with the clamp provided. Make sure to rotate the
clamp so it does not interfere with the mounting
plate.
B. Mount the supercharger to the mounting plate
with the four 3/8 16 x 1" bolts and washers and
one 3/8-16 x 1-1/4" bolt and washer for the plate
stiffener (See
Fig. 8-a.) (For 1994-95 models,
the supercharger is mounted with five 3/8-16 x
1" bolts and washers only. The stiffener is not
used.)
C. Attach the oil feed line and secure.
WARNING: The oil system contains a small
orifice that is easily plugged.
DO NOT use any type sealant
on any of the threads. Instead,
use clean engine oil. Disas-
semble and blow out entire line
if you have any doubts.
Fig. 8-a
9. FACTORY ACCESSORY DRIVE BELT AND SUPERCHARGER DRIVE BELT
Fig. 9-a
Fig. 9-b
10