5.3 Ignition settings 5 SETTING UP A BASIC CONFIGURATION
Make sure you understand the definition we’re using of tooth #1. With the engine rotating in the normal direction,
tooth #1 is the first tooth to pass the main sensor after the cam tooth has passed the second sensor.
Make sure these do not happen at the same time - in the diagrams below you can see that the main sensor is
over a gap when the secondary sensor is aligned with its tooth. Here’s how to determine the trigger angles.
First, set your engine at TDC compression #1.
Now rotate the engine backwards until the cam sensor and tooth line up. If you rotated more than one turn,
then add 360 to your tooth#1 angle.
AMP EFI MS3Pro manual version 1.202, firmware 1.5.0, 4/21/2017 Page 82
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