diff --git a/configs/heavy_tests.json b/configs/heavy_tests.json
index 6f6ff72..cdc7fa1 100644
--- a/configs/heavy_tests.json
+++ b/configs/heavy_tests.json
@@ -61,9 +61,10 @@
       "LargeTestSuite.Elementary.SimpleODE.CascadedFirstOrder_N_204800":690,
       "LargeTestSuite.Elementary.SimpleODE.CascadedFirstOrder_N_409600":990,
       "LargeTestSuite.Elementary.SimpleODE.CascadedFirstOrder_N_51200":330,
-      "LargeTestSuite.Mechanical.HarmonicOscillator.HarmonicOscillator_N_1638400":250,
-      "LargeTestSuite.Mechanical.HarmonicOscillator.HarmonicOscillator_N_3276800":500,
-      "LargeTestSuite.Mechanical.HarmonicOscillator.HarmonicOscillator_N_6553600":1000,
+      "LargeTestSuite.Mechanical.HarmonicOscillator.HarmonicOscillator_N_1638400":200,
+      "LargeTestSuite.Mechanical.HarmonicOscillator.HarmonicOscillator_N_3276800":400,
+      "LargeTestSuite.Mechanical.HarmonicOscillator.HarmonicOscillator_N_6553600":800,
+      "LargeTestSuite.Mechanical.HarmonicOscillator.HarmonicOscillator_N_13107200":1600,
       "LargeTestSuite.Thermal.Advection.AdvectionReaction_N_204800":600,
       "LargeTestSuite.Thermal.Advection.SimpleAdvection_N_204800":300,
       "LargeTestSuite.Thermal.Advection.SimpleAdvection_N_409600":800,
@@ -79,8 +80,8 @@
       "LargeTestSuite.Thermal.HeatExchanger.CocurrentHeatExchangerEquations_N_81920":1000,
       "LargeTestSuite.Thermal.HeatExchanger.CounterCurrentHeatExchangerEquations_N_40960":300,
       "LargeTestSuite.Thermal.HeatExchanger.CounterCurrentHeatExchangerEquations_N_81920":1000,
-      "LargeTestSuite.OpenSCALING.LSGreenH2Production.Plant_nTrafoEHV_40_nTrafoHV_320":400,
-      "LargeTestSuite.OpenSCALING.LSGreenH2Production.Plant_nTrafoEHV_80_nTrafoHV_320":800
+      "LargeTestSuite.OpenSCALING.LSGreenH2Production.Plant_nTrafoEHV_40_nTrafoHV_160":400,
+      "LargeTestSuite.OpenSCALING.LSGreenH2Production.Plant_nTrafoEHV_40_nTrafoHV_320":800
     },
     "ulimitMemory":62914560,
     "procOMC":0,