Vortech 1988-1992 5.0L/5.7L TPI F-Body - Manual (Page 21)

P/N: 4GF020-010
©2002 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
12JAN01 V1.1 (88-92 350 TPI Camaro(4GF V1.1))
A. The Ignition/Boost Control unit is designed to
retard ignition in relation to boost.
B. The unit is adjustable from 0
°
of ignition retard
to 3
°
of ignition retar for each pound of boost,
up to a maximum of 15
°
.
C. Using the 1
°
per pound position as a starting
point, adjust the ignition retard knob until just
beyond the point of detonation. Use third gear
for testing in a safe area or road. Adjust the
retard according to changes in altitude and
fuel quality.
13. IGNITION/BOOST CONTROL INSTALLATION, cont'd.
E. Using the wire splice connector provided, con-
nect the red wire to the pink wire located be-
tween the distributor and coil. Use the short
extension wire provided.
F. Connect the vent to manifold pressure.
G. Route the Ignition/Boost Control wires through
the firewall from the interior side. Mount the
knob in an easily accessible place.
H. Connect the wires to ther plastic oval wiring
connector on the Ignition/Boost Control unit
using the snap-on connector supplied in the
Ignition/Boost Control kit.
15
10
5
5 psi at 3
°
per lb. 7 psi at 2
°
per lb.
10 psi at
1/2
°
per lb.
MAX. RETARD = 15 °
DEGREES OF RET
ARD
5 7 10
PSI BOOST
NOTE: The wiring to the Boost/Control knob
can be matched to either of the corre-
sponding wires in the boost retard con-
nector.
CAUTION: It is extremely important that
the boost retard never be
turned to 0
°
. It is recom-
mended that in stock street ap-
plications, the knob be at no
less than 1
°
lb.
14. IGNITION/BOOST CONTROL UNIT OPERATION
Example of Ignition Retard vs. Boost:
11