Mallory Ignition Mallory FIRESTORM 77 SERIES DUAL SYNC SENSOR - Manual

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NOTE: Make sure that your ignition coils are discon-
nected until after you completed step 12. Serious injury
can occur if you touch any of the coil outputs while coil
is connected to FireStorm.
Make sure the engine is set at 0 TDC # 1 Cylinder.
If you which to put in initial advance by setting the
balancer to 5 to 10 Degrees BTDC, you must put the
number in CRANK PICKUP OFFSET in Ignition Configu-
ration.
1. Rotate the engine to Top Dead Center of cylinder #1.
2. Remove the distributor being replaced from the engine.
3. Install the Dual Sync Sensor making sure that it seats
properly.
4. Attach the Dual Sync Sensor adapter wire harness (part#
77642 GM/CHRY or 77643 FORD ) to the FireStorm Box
main wire harness, ensuring that the ground leads are con-
nected to an appropriate grounding point on the engine.
Than plug the CAM & CRANK connector to the Dual Sync
Sensor.
5. Turn the ignition to the Key-On, Engine-Off position, and
launch the SparkMap Software program.
6. Select the “Online to FireStorm” data source, and go to
the Ignition Configuration screen by pressing the CTRL- I
key combination, or selecting the Ignition menu item from
the Configuration menu.
7. From the Ignition Type drop-down list, select Dual Sync
Distributor or Hall Effect equivalent W/CAM, then press
F10. When prompted, turn the ignition key to the Off posi-
tion. The key must remain in the Off position for at least 20
seconds for the programming changes to be implemented
by the Module.
SENSOR PHASING
8. Turn the ignition key to the On position then position
yourself so that you can see both the Red (Crank) and Blue
(Cam) LEDs. Verify that the ignition is still in the Key-On,
Engine-Off position.
9. Rotate the Sensor housing opposite the shaft rota-
tion (Chevy/Chry: Rotate housing counter clockwise
– Ford: Rotate Clockwise) or opposite direction as when
the engine is turning the rotor. (Either clockwise or coun-
terclockwise) continue rotating until the blue LED shuts
off completely. This indicates the falling edge of the cam
trigger position.
(Please disregard if blue LED comes back on in next 2
steps)
10. If red light is still on, continue to slowly rotate the dis-
tributor housing until the red LED shuts off (Stop). This
indicates the falling edge of the crank trigger position #1.
Stop at this point.
11. If red light was off after blue light LED shut off, slowly
rotate the distributor Housing until the red LED comes on
and shuts off (Stop). This indicates the falling edge of the
crank trigger position. Stop at this point. Your Sensor is
now set to Top Dead Center of cylinder #1.
12. Taking care not to rotate the distributor housing, verify
that the crank LED (red) is not lit and tighten the sensor. If
the red LED is lit, repeat steps 8-12.
DO NOT ATTACH ANOTHER SWITCHED 12 VOLT
SUPPLY TO THE BOX.
Start the engine. Using a timing light, verify that the
timing reading on the harmonic balancer is the same as
the timing reading in CalMap. We recommend forcing the
timing in SparkMap to 10–20 degrees while verifying read-
ings. If the readings are different, loosen the Sensor and
rotate the housing housing until the timing readings on the
harmonic balancer are the same as the timing reading in
SparkMap. Tighten the Sensor.
Your Dual Sync Sensor is now correctly mounted,
phased, and ready to run.
If you encounter problems or if you need further
technical assistance, please call our technical service
line at (216) 688-8300.
FIRESTORM 77 SERIES DUAL SYNC SENSOR
FORM 77S_01
03/12
To ensure you are using the most current instruction sheet, please visit www.malloryfirestorm.com.
INSTALLATION INSTRUCTIONS
MALLORY IGNITION IS A TRADEMARK OF PRESTOLITE PERFORMANCE
10601 Memphis Ave. #12, Cleveland, OH 44144
216.688.8300 FAX 216.688.8306 FORM 77S_01
03/12
Made in U.S.A.
Printed in U.S.A.