Mallory Ignition Mallory HYFIRE 7C CONTROL UNIT 676M - Manual (Page 4)

4
MALLORY IS A DIVISION OF THE MR. GASKET PERFORMANCE GROUP
550 MALLORY WAY, CARSON CITY, NEVADA 89701
(775) 882-6600
FAX (775) 887-4326
www.mrgasket.com
FORM 1554M
(REV. A) 10/02
Made in U.S.A.
Printed in U.S.A.
NC
C
NO
RPM2
RPM3
RET1
RET2
RET2
To clutch pedal or transbrake switch
that supplies +12 volts when active
Staging RPM Limiter
Example 5
To nitrous stage 1 (+12 volts when active)
To nitrous stage 2 (+12 volts when active)
To nitrous stage 3 (+12 volts when active)
NC
C
NO
RPM2
RPM3
RET1
RET2
RET2
Using the high-speed timing retard function
with a 3-stage nitrous system.
Example 6
CUT-IN (Mode 9)
This is the RPM where the
timing starts to advance.
This example shows a cut-
in of 7.0 (7000 RPM). SLOPE (Mode 8)
This is how much the timing
advances for every 1000 RPM.
This example shows a slope of
2.0 (2 degrees per 1000 RPM).
MAXIMUM ADVANCE (Mode A)
This example shows a maximum of 2
degrees advance.
8
6
4
2
0
0 2000 4000 6000 8000 10k
AD
V
ANCE
RPM
Example 7