Vortech 1997-2004 C5 Corvette User Manual
Page 28
P/N: 4GR020-010 v1.7, 2009-11-25
©2009 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
16
D. Charge air cooler radiator install
1. Install the supplied cooler radiator, with
no fittings installed, in the radiator open-
ing (just behind the spring base pins).
Position so that it is roughly perpendicu-
lar to the adjacent panels. (See Figs.
13-i, 13-j.)
2. Mark the position of the radiator water
inlet and outlet ports onto the upper
plastic panel. Also mark the location of
one of the 1/4" slots on each side of the
cooler radiator onto the lower air dam.
3. Remove the radiator. Using a 1 1/8"
hole saw, drill through each of the posi-
tions marked for the cooler radiator inlet
and outlet. Drill a 1/4" hole at each of
the marked mounting hole locations
through the air dam.
4. Install radiator by pushing the inlet and
outlet through the upper panel and
installing the supplied 1/4" hardware
through the air dam and tightening. (See
Fig 13-i.)
5. Temporarily remove the air box from
above the vehicle.
6. Install two 90° fittings into the cooler
radiator using sealant. Point them away
from each other.
7. Connect the hose from the side of the
surge tank to the driver side fitting
installed in the cooler radiator. Tighten
clamp.
E.
Charge air cooler (CAC) install
1. Install one of the supplied 1/2"NPT x
3/4" x 90° fittings into upper hole in the
cooler end tank. The “upper hole” is the
1/2" NPT hole that is on the same side
as the 3" air duct (opposite of the 2.75"
air duct). Install a 1/2"NPT x 3/4" x 90°
straight fitting into the lower hole in the
cooler end tank. (See Fig. 13-k.)
2. Loosely attach the blue silicone rubber
reducer elbow to the CAC outlet (3"
O.D.).
3. Trim 1-3/4" from the short leg.of the sup-
plied 3/4" x 90° rubber elbow. Attach the
short leg of the molded 90° hose to the
straight fitting installed in the cooler end
tank. Secure with a clamp.
13. CHARGE AIR COOLER INSTALLATION, cont’d
Fig. 13-i
Fig. 13-j
SPRinG BASE PinS
Fig. 13-h
TO TOP
OF WATER
RESERVOiR