Vortech 2000-2003 Ford Focus Zetec/SVT User Manual
Page 22

P/N: 4FJ020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
19APR04 v3.0 Focus(4FJ v3.0)
10
9.
AIR INLET ASSEMBLY
Fig. 9-a
Fig. 9-b
A.
Unplug the electrical connector from the horn.
Remove the horn from the car.
B.
Install into the 3/4"NPT boss of the 90° roto-
mold duct the supplied straight 1" barb. (See
Fig. 9-a.)
C.
Install into the 3/8"NPT boss of the rotomold
duct the supplied 5/8" barb x 90°.
D.
Connect the Ø3.5" end of the 90° inlet duct to
the inlet of the supercharger using the sup-
plied Ø3.5" x 2" sleeve and #56 hose clamps.
Orient the duct so that the open end is point-
ing down. (See Fig. 9-a.)
E.
Connect the length of 3" flex-hose to the
open end of the 90° duct using a #48 hose
clamp.
F.
Connect the MAF sensor to the supplied
bracket. (See Fig. 9-c.) Attach the supplied air
filter to the inlet of the MAF. (See Fig. 9-d.)
G.
Set the air filter/MAF assembly on the lower
radiator support where the horn was located.
Mark two locations and drill using a 9/32"
drill. Secure using the supplied 1/4" hard-
ware. (See Fig. 9-b.)
I.
ZX3 Models: (See Fig. 9-e) cut all six (6)
wires leading to the MAF plug leaving 3"-4"
before the plug. Using the supplied wires and
butt connectors extend all six wires so that
they reach the new MAF location.
SVT Models: Cut the middle four wires leav-
ing 3" to 4" after the MAF plug. Cut the outer
2 wires leaving the longest amount of wire
attached to the plug. Extend the four middle
wires so that the MAF plug can reach the
relocated sensor. Connect the white with pur-
ple stripe wire to the red wire on the supplied
IAT sensor harness. Connect the black with
white stripe wire to the brown/black wire on
the IAT sensor. (See Fig. 9-e.) Trim the long
outer wires left on the MAF plug leaving only
a couple of inches of wiring coming out of the
plug.
3/4"NPT TO 1" BARB
3/8"NPT TO 5/16" BARB
MAF AND BRACKET MOUNTING LOCATION
P/S HOSE SECURED
Fig. 9-c
VORTECH SUPPLIED BRACKET
NOTE:
Soldering the wire extension is pre-
ferred. Shrink sleeve has been supplied
to seal the solder joints.
J.
Re-attach MAF plug to MAF meter.
K.
Reinstall the factory horn as shown in Fig. 9-f
using the supplied 6mm screw.