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This is from the sniper manual. I have the MSD Atomic and its pretty much a self learning device. Each engine will act a little different. Make small adjustments and keep records of changes. If I remember correctly the higher the number the leaner it gets.Idle Air/Fuel Ratio – Typically between 13.5 and 15.0. Engines with larger cams may need a richer setting for smoothest idle.Cruise Air/Fuel Ratio – Typically between 13.5 and 15.5. Engines with larger cams may need a richer setting for smoothest operation.Wide Open Throttle Air/Fuel Ratio (WOT) – Typically between 12.0 and 13.0. Running richer may reduce power. Running leaner may reduce power or cause potential engine damage.NOTE: The Target Air/Fuel setting between IDLE, CRUISE, and WOT is blended together automatically. Consequently, the air/fuel you see on the MONITOR screen, may not be exactly what you set for the settings. Changing these settings raises or lowers the “curve” of that specific area.
This is from the sniper manual. I have the MSD Atomic and its pretty much a self learning device. Each engine will act a little different. Make small adjustments and keep records of changes. If I remember correctly the higher the number the leaner it gets.
Idle Air/Fuel Ratio – Typically between 13.5 and 15.0. Engines with larger cams may need a richer setting for smoothest idle.
Cruise Air/Fuel Ratio – Typically between 13.5 and 15.5. Engines with larger cams may need a richer setting for smoothest operation.
Wide Open Throttle Air/Fuel Ratio (WOT) – Typically between 12.0 and 13.0. Running richer may reduce power. Running leaner may reduce power or cause potential engine damage.
NOTE: The Target Air/Fuel setting between IDLE, CRUISE, and WOT is blended together automatically. Consequently, the air/fuel you see on the MONITOR screen, may not be exactly what you set for the settings. Changing these settings raises or lowers the “curve” of that specific area.