diff --git a/VectoCore/VectoCore/Models/SimulationComponent/Impl/Shiftstrategies/AMTShiftStrategyOptimized.cs b/VectoCore/VectoCore/Models/SimulationComponent/Impl/Shiftstrategies/AMTShiftStrategyOptimized.cs
index 363f901f80b621a26462e71041ae079a4ed0269d..fc818813a00de7d6e9e6d10907f167bbdae7310f 100644
--- a/VectoCore/VectoCore/Models/SimulationComponent/Impl/Shiftstrategies/AMTShiftStrategyOptimized.cs
+++ b/VectoCore/VectoCore/Models/SimulationComponent/Impl/Shiftstrategies/AMTShiftStrategyOptimized.cs
@@ -24,8 +24,10 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Impl
 			GearboxType gearboxType, int i, EngineFullLoadCurve engineDataFullLoadCurve, IList<ITransmissionInputData> gearboxGears,
 			CombustionEngineData engineData, double axlegearRatio, Meter dynamicTyreRadius, ElectricMotorData electricMotorData = null)
 		{
-			return DeclarationData.Gearbox.ComputeManualTransmissionShiftPolygon(
+			return DeclarationData.Gearbox.ComputeEfficiencyShiftPolygon(
 				i, engineDataFullLoadCurve, gearboxGears, engineData, axlegearRatio, dynamicTyreRadius);
+			//return DeclarationData.Gearbox.ComputeManualTransmissionShiftPolygon(
+			//	i, engineDataFullLoadCurve, gearboxGears, engineData, axlegearRatio, dynamicTyreRadius);
 		}
 	}
 	public class AMTShiftStrategyOptimized : AMTShiftStrategy