
Universal 8
11
© 2014 AEM Performance Electronics
MSD Distributor + ATI AEM 24 Tooth + Honeywell High Output VR
Sensor
1. Modify and install mechanical advance distributor. (See Modifying Mechanical Advance Distributor, in
this document.)
2. Install ATI AEM Infinity crank trigger. (Note that an adjustable sensor mount is not provided with the
ATI crank trigger.) Position the crank sensor to be near the middle of its adjustment range while being
in between crank teeth with the engine at TDC. Set sensor output to .011”.
3. Wiring – note that the Infinity ECU can only accept falling edge VR/mag wave forms. If in doubt, verify
sensor signal with an oscilloscope.
Crank Sensor – Honeywell High Output VR
Sensor
Cam Sensor – Modified MSD Distributor
Note: Use shielded twisted pair wiring w/drain
to ground.
Note: Use shielded twisted pair wiring w/drain to ground.
4. Load ATI 24 + Honeywell HO VR base session and review Setup Wizard. (See Setup Wizard, in this
document.)
5. Sync ignition timing. (See Syncing Ignition Timing, in this document.)
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