https://docs.emtronaustralia.com.au/engine-management/functions/cam-control/cam-exhaust-target/index.htmlExhaust Cam Angle Target Tables This is the Exhaust camshaft position command tables where the required camshaft position in degrees is set Table units start from 0. Negative numbers represent targeting retarded position of the camshaft. Exhaust target map = -20 degrees = 20 degrees of exhaust cam retard **Typically numbers close to 0 represent the least amount of overlap which helps with idling.Hugoen-us