Mallory Ignition Mallory FIRESTORM 77 SERIES DUAL SYNC SENSOR User Manual

Firestorm 77 series dual sync sensor, Installation instructions

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MALLORY

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www.malloryfirestorm.com

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.

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