Mallory Ignition ACCEL DIS 8 75610 - Manual (Page 15)

DIS 8
15
DIS 8 With ACCEL DFI or other fuel Injection systems using
the Crank Trigger / Cam trigger with Hall Effect Sensors
Under Ignition Type, Select Custom in the Systems Screen.
Then:
Select Hall Effect under Crank Signal Type, switch crank trigger edge to rising.
Select Hall Effect under Cam Signal Type, check cam trigger to make sure switch is on falling edge.
Select Sink, Points (Open Collector) for Output Signal Type.
Hit F10 after each selection or Send all to ECM.
Crank Delay
Under Configuration, go to fuel or (Ctrl-U) and set the Start Fuel Delay to 1 Crank Rotation and
Enable, then hit F10.
This will prevent excess fuel during startup by synchronizing the ECM & DIS 8.
Cam/Crank Deg Position when not using Hall Effect Sensors
1) Rotate Crank to 45 Degrees Before Top Dead Center # 1 Cylinder, set Cam Sensor to
falling edge of trigger. NOTE CAM Sensor Must be a Hall Effect (12 volt
square wave signal open collector).
2) Rotate crank to # 1Top Dead Center, set crank sensor on rising edge of trigger.
3)
Start the engine, Check the Force Timing box and set to 25 Degrees, hold RPM at 2000 to
stabilize valve train, using a timing light check and make sure the timing is synced with the
Forced Timing Value. If timing if incorrect, loosen distributor and adjust accordingly. When
finished, click on the Force the timing box to return control to ECM.
4) Now you are ready to tune.